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13157366784 = 210317251941
BaseRepresentation
bin11000100000011110…
…10111110000000000
31020221221220111002220
430100033113300000
5203421241214114
610013332011040
7644023525632
oct142017276000
936857814086
1013157366784
115641a99451
122672460a80
131318b7ca43
148cb610a52
155201890a9
hex3103d7c00

13157366784 has 88 divisors (see below), whose sum is σ = 37132219728. Its totient is φ = 4127784960.

The previous prime is 13157366777. The next prime is 13157366837. The reversal of 13157366784 is 48766375131.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73747 + ... + 178194.

Almost surely, 213157366784 is an apocalyptic number.

It is an amenable number.

13157366784 is an abundant number, since it is smaller than the sum of its proper divisors (23974852944).

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

13157366784 is a wasteful number, since it uses less digits than its factorization.

13157366784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251981 (or 251963 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 51.

The spelling of 13157366784 in words is "thirteen billion, one hundred fifty-seven million, three hundred sixty-six thousand, seven hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 64 68 96 102 128 136 192 204 256 272 384 408 512 544 768 816 1024 1088 1536 1632 2176 3072 3264 4352 6528 8704 13056 17408 26112 52224 251941 503882 755823 1007764 1511646 2015528 3023292 4031056 4282997 6046584 8062112 8565994 12093168 12848991 16124224 17131988 24186336 25697982 32248448 34263976 48372672 51395964 64496896 68527952 96745344 102791928 128993792 137055904 193490688 205583856 257987584 274111808 386981376 411167712 548223616 773962752 822335424 1096447232 1644670848 2192894464 3289341696 4385788928 6578683392 13157366784