Base | Representation |
---|---|
bin | 10011010111111001… |
… | …10010010100000111 |
3 | 222211212101010211100 |
4 | 21223330302110013 |
5 | 132300131001211 |
6 | 4440030111143 |
7 | 515514210540 |
oct | 115374622407 |
9 | 28755333740 |
10 | 10401031431 |
11 | 445812494a |
12 | 202334b4b3 |
13 | c99b0038b |
14 | 7095154c7 |
15 | 40d1c7156 |
hex | 26bf32507 |
10401031431 has 12 divisors (see below), whose sum is σ = 17169956752. Its totient is φ = 5943446496.
The previous prime is 10401031429. The next prime is 10401031469. The reversal of 10401031431 is 13413010401.
It is not a de Polignac number, because 10401031431 - 21 = 10401031429 is a prime.
It is a super-2 number, since 2×104010314312 (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 (10401031031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82547806 + ... + 82547931.
Almost surely, 210401031431 is an apocalyptic number.
10401031431 is a deficient number, since it is larger than the sum of its proper divisors (6768925321).
10401031431 is a wasteful number, since it uses less digits than its factorization.
10401031431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165095750 (or 165095747 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 10401031431 its reverse (13413010401), we get a palindrome (23814041832).
The spelling of 10401031431 in words is "ten billion, four hundred one million, thirty-one thousand, four hundred thirty-one".
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