Base | Representation |
---|---|
bin | 10011010111110010… |
… | …10001110110011111 |
3 | 222211210122102122111 |
4 | 21223321101312133 |
5 | 132244412041111 |
6 | 4435554254451 |
7 | 515503331221 |
oct | 115371216637 |
9 | 28753572574 |
10 | 10400112031 |
11 | 4457657111 |
12 | 2022b87427 |
13 | c9986aa5a |
14 | 709356411 |
15 | 40d094a21 |
hex | 26be51d9f |
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".
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