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13889282992 = 241385378283
BaseRepresentation
bin11001110111101110…
…11010001110110000
31022211222010200101121
430323313122032300
5211421124023432
610214115312024
71001121646264
oct147367321660
938758120347
1013889282992
115988157982
1228375ab614
1314046b5360
1495a8d60a4
15564563197
hex33bdda3b0

13889282992 has 40 divisors (see below), whose sum is σ = 29014868624. Its totient is φ = 6402841344.

The previous prime is 13889282989. The next prime is 13889282993. The reversal of 13889282992 is 29928298831.

It is a self number, because there is not a number n which added to its sum of digits gives 13889282992.

It is not an unprimeable number, because it can be changed into a prime (13889282993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138283 + ... + 216565.

Almost surely, 213889282992 is an apocalyptic number.

It is an amenable number.

13889282992 is an abundant number, since it is smaller than the sum of its proper divisors (15125585632).

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

13889282992 is a wasteful number, since it uses less digits than its factorization.

13889282992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79157 (or 79151 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 61.

The spelling of 13889282992 in words is "thirteen billion, eight hundred eighty-nine million, two hundred eighty-two thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 853 1706 3412 6824 11089 13648 22178 44356 78283 88712 156566 177424 313132 626264 1017679 1252528 2035358 4070716 8141432 16282864 66775399 133550798 267101596 534203192 868080187 1068406384 1736160374 3472320748 6944641496 13889282992