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10157844864 = 27326452721
BaseRepresentation
bin10010111010111010…
…00110100110000000
3222012220202222120110
421131131012212000
5131300402013424
64355541511320
7506502154026
oct113535064600
928186688513
1010157844864
114342925212
121b75a12540
13c5b604cbb
146c50d0716
153e6b8bc29
hex25d746980

10157844864 has 32 divisors (see below), whose sum is σ = 26981776440. Its totient is φ = 3385948160.

The previous prime is 10157844857. The next prime is 10157844869. The reversal of 10157844864 is 46844875101.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10157844869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13225977 + ... + 13226744.

Almost surely, 210157844864 is an apocalyptic number.

It is an amenable number.

10157844864 is an abundant number, since it is smaller than the sum of its proper divisors (16823931576).

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

10157844864 is an equidigital number, since it uses as much as digits as its factorization.

10157844864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26452738 (or 26452726 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 10157844864 in words is "ten billion, one hundred fifty-seven million, eight hundred forty-four thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 26452721 52905442 79358163 105810884 158716326 211621768 317432652 423243536 634865304 846487072 1269730608 1692974144 2539461216 3385948288 5078922432 10157844864