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133242413440 = 275469144381
BaseRepresentation
bin111110000010111011…
…1011110000110000000
3110201220220002220200111
41330011313132012000
54140340024212230
6141113303201104
712424604553523
oct1740567360600
9421826086614
10133242413440
1151564961364
12219a6746194
13c745873576
14663dd74bba
1536ec83d92a
hex1f05dde180

133242413440 has 64 divisors (see below), whose sum is σ = 318607726320. Its totient is φ = 53284403200.

The previous prime is 133242413429. The next prime is 133242413503. The reversal of 133242413440 is 44314242331.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2980050 + ... + 3024430.

Almost surely, 2133242413440 is an apocalyptic number.

133242413440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133242413440 is an abundant number, since it is smaller than the sum of its proper divisors (185365312880).

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

133242413440 is an equidigital number, since it uses as much as digits as its factorization.

133242413440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49091 (or 49079 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 133242413440 its reverse (44314242331), we get a palindrome (177556655771).

The spelling of 133242413440 in words is "one hundred thirty-three billion, two hundred forty-two million, four hundred thirteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 4691 9382 18764 23455 37528 44381 46910 75056 88762 93820 150112 177524 187640 221905 300224 355048 375280 443810 600448 710096 750560 887620 1420192 1501120 1775240 2840384 3002240 3550480 5680768 7100960 14201920 28403840 208191271 416382542 832765084 1040956355 1665530168 2081912710 3331060336 4163825420 6662120672 8327650840 13324241344 16655301680 26648482688 33310603360 66621206720 133242413440