Base | Representation |
---|---|
bin | 10010101010110110… |
… | …01101101101111111 |
3 | 221212112021212022021 |
4 | 21111123031231333 |
5 | 131011410211111 |
6 | 4334330301011 |
7 | 503245134163 |
oct | 112533155577 |
9 | 27775255267 |
10 | 10023132031 |
11 | 42838844a0 |
12 | 1b38887767 |
13 | c39729373 |
14 | 6b1264ca3 |
15 | 3d9e2bd71 |
hex | 2556cdb7f |
10023132031 has 16 divisors (see below), whose sum is σ = 11182464000. Its totient is φ = 8907444000.
The previous prime is 10023132023. The next prime is 10023132059. The reversal of 10023132031 is 13023132001.
It is a cyclic number.
It is not a de Polignac number, because 10023132031 - 23 = 10023132023 is a prime.
It is a super-2 number, since 2×100231320312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10023131996 and 10023132014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10023132011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30670 + ... + 144868.
It is an arithmetic number, because the mean of its divisors is an integer number (698904000).
Almost surely, 210023132031 is an apocalyptic number.
10023132031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
10023132031 is a deficient number, since it is larger than the sum of its proper divisors (1159331969).
10023132031 is a wasteful number, since it uses less digits than its factorization.
10023132031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114390.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 10023132031 its reverse (13023132001), we get a palindrome (23046264032).
The spelling of 10023132031 in words is "ten billion, twenty-three million, one hundred thirty-two thousand, thirty-one".
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