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120783835454496 = 25319127972355113
BaseRepresentation
bin11011011101101000101101…
…100110110101110000100000
3120211122211012011110210010120
4123131220231212311300200
5111312410243334020441
61104515154503000240
734304226016465314
oct3335505546656040
9524584164423116
10120783835454496
1135538156316695
1211668872139080
135251b364ca706
1421b7d7c66db44
15de6ce879c966
hex6dda2d9b5c20

120783835454496 has 96 divisors (see below), whose sum is σ = 318831640501248. Its totient is φ = 40036150364160.

The previous prime is 120783835454419. The next prime is 120783835454497. The reversal of 120783835454496 is 694454538387021.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1207838354544962 (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 120783835454496.

It is not an unprimeable number, because it can be changed into a prime (120783835454497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50108236 + ... + 52463348.

It is an arithmetic number, because the mean of its divisors is an integer number (3321162921888).

It is a 1-persistent number, because it is pandigital, but 2⋅120783835454496 = 241567670908992 is not.

Almost surely, 2120783835454496 is an apocalyptic number.

120783835454496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120783835454496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159415820250624).

120783835454496 is an abundant number, since it is smaller than the sum of its proper divisors (198047805046752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120783835454496 is a wasteful number, since it uses less digits than its factorization.

120783835454496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358114 (or 2358106 counting only the distinct ones).

The product of its (nonzero) digits is 696729600, while the sum is 69.

The spelling of 120783835454496 in words is "one hundred twenty trillion, seven hundred eighty-three billion, eight hundred thirty-five million, four hundred fifty-four thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 191 382 573 764 1146 1528 2292 2797 3056 4584 5594 6112 8391 9168 11188 16782 18336 22376 33564 44752 67128 89504 134256 268512 534227 1068454 1602681 2136908 2355113 3205362 4273816 4710226 6410724 7065339 8547632 9420452 12821448 14130678 17095264 18840904 25642896 28261356 37681808 51285792 56522712 75363616 113045424 226090848 449826583 899653166 1349479749 1799306332 2698959498 3598612664 5397918996 6587251061 7197225328 10795837992 13174502122 14394450656 19761753183 21591675984 26349004244 39523506366 43183351968 52698008488 79047012732 105396016976 158094025464 210792033952 316188050928 632376101856 1258164952651 2516329905302 3774494857953 5032659810604 7548989715906 10065319621208 15097979431812 20130639242416 30195958863624 40261278484832 60391917727248 120783835454496