Base | Representation |
---|---|
bin | 10101100010101110… |
… | …001001101100110011 |
3 | 2012201001020201201121 |
4 | 111202232021230303 |
5 | 334333030231003 |
6 | 14343135443111 |
7 | 1446132060112 |
oct | 254256115463 |
9 | 65631221647 |
10 | 23131102003 |
11 | 989a9a4329 |
12 | 4596686497 |
13 | 22482a2409 |
14 | 1196097c79 |
15 | 905aa9cbd |
hex | 562b89b33 |
23131102003 has 48 divisors (see below), whose sum is σ = 26451921600. Its totient is φ = 20137807872.
The previous prime is 23131101997. The next prime is 23131102021. The reversal of 23131102003 is 30020113132.
It is not a de Polignac number, because 23131102003 - 25 = 23131101971 is a prime.
It is a super-2 number, since 2×231311020032 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23131102103) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38615898 + ... + 38616496.
It is an arithmetic number, because the mean of its divisors is an integer number (551081700).
Almost surely, 223131102003 is an apocalyptic number.
23131102003 is a deficient number, since it is larger than the sum of its proper divisors (3320819597).
23131102003 is a wasteful number, since it uses less digits than its factorization.
23131102003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 784 (or 755 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 23131102003 its reverse (30020113132), we get a palindrome (53151215135).
The spelling of 23131102003 in words is "twenty-three billion, one hundred thirty-one million, one hundred two thousand, three".
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