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10400112031 = 49692092999
BaseRepresentation
bin10011010111110010…
…10001110110011111
3222211210122102122111
421223321101312133
5132244412041111
64435554254451
7515503331221
oct115371216637
928753572574
1010400112031
114457657111
122022b87427
13c9986aa5a
14709356411
1540d094a21
hex26be51d9f

10400112031 has 4 divisors (see below), whose sum is σ = 10402210000. Its totient is φ = 10398014064.

The previous prime is 10400112011. The next prime is 10400112067. The reversal of 10400112031 is 13021100401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10400112031 - 217 = 10399980959 is a prime.

It is a super-2 number, since 2×104001120312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400112011) 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, 1041531 + ... + 1051468.

It is an arithmetic number, because the mean of its divisors is an integer number (2600552500).

Almost surely, 210400112031 is an apocalyptic number.

10400112031 is a deficient number, since it is larger than the sum of its proper divisors (2097969).

10400112031 is an equidigital number, since it uses as much as digits as its factorization.

10400112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097968.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10400112031 its reverse (13021100401), we get a palindrome (23421212432).

The spelling of 10400112031 in words is "ten billion, four hundred million, one hundred twelve thousand, thirty-one".

Divisors: 1 4969 2092999 10400112031