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12780675841120 = 2551116344550599
BaseRepresentation
bin1011100111111011101110…
…1001001011110001100000
31200020211011021101212020221
42321332323221023301200
53133344311003403440
643103210022412424
72456242030121635
oct271767351136140
950224137355227
1012780675841120
114088288358a60
121524b92591114
1371929bcc2605
1432283370818c
151726c4995d4a
hexb9fbba4bc60

12780675841120 has 96 divisors (see below), whose sum is σ = 33141369542400. Its totient is φ = 4619006000640.

The previous prime is 12780675841111. The next prime is 12780675841217. The reversal of 12780675841120 is 2114857608721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21988420 + ... + 22562179.

It is an arithmetic number, because the mean of its divisors is an integer number (345222599400).

Almost surely, 212780675841120 is an apocalyptic number.

12780675841120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12780675841120 is an abundant number, since it is smaller than the sum of its proper divisors (20360693701280).

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

12780675841120 is a wasteful number, since it uses less digits than its factorization.

12780675841120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44550788 (or 44550780 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 52.

The spelling of 12780675841120 in words is "twelve trillion, seven hundred eighty billion, six hundred seventy-five million, eight hundred forty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 163 176 220 326 352 440 652 815 880 1304 1630 1760 1793 2608 3260 3586 5216 6520 7172 8965 13040 14344 17930 26080 28688 35860 57376 71720 143440 286880 44550599 89101198 178202396 222752995 356404792 445505990 490056589 712809584 891011980 980113178 1425619168 1782023960 1960226356 2450282945 3564047920 3920452712 4900565890 7128095840 7261747637 7840905424 9801131780 14523495274 15681810848 19602263560 29046990548 36308738185 39204527120 58093981096 72617476370 78409054240 79879224007 116187962192 145234952740 159758448014 232375924384 290469905480 319516896028 399396120035 580939810960 639033792056 798792240070 1161879621920 1278067584112 1597584480140 2556135168224 3195168960280 6390337920560 12780675841120