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10040156892 = 2232278893247
BaseRepresentation
bin10010101100111000…
…01010001011011100
3221220201022211000200
421112130022023130
5131030240010032
64340135223500
7503542632303
oct112634121334
927821284020
1010040156892
114292452527
121b42517b90
13c4010a54c
146b361743a
153db69147c
hex25670a2dc

10040156892 has 18 divisors (see below), whose sum is σ = 25379285568. Its totient is φ = 3346718952.

The previous prime is 10040156891. The next prime is 10040156911. The reversal of 10040156892 is 29865104001.

10040156892 is a `hidden beast` number, since 1 + 0 + 0 + 4 + 0 + 1 + 568 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 278893247 = 10040156892 / (1 + 0 + 0 + 4 + 0 + 1 + 5 + 6 + 8 + 9 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10040156891) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139446588 + ... + 139446659.

Almost surely, 210040156892 is an apocalyptic number.

10040156892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10040156892 is an abundant number, since it is smaller than the sum of its proper divisors (15339128676).

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

10040156892 is a wasteful number, since it uses less digits than its factorization.

10040156892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278893257 (or 278893252 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 10040156892 in words is "ten billion, forty million, one hundred fifty-six thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 278893247 557786494 836679741 1115572988 1673359482 2510039223 3346718964 5020078446 10040156892