Base | Representation |
---|---|
bin | 10101100010101101… |
… | …111000111000010110 |
3 | 2012201001010020020000 |
4 | 111202231320320112 |
5 | 334333021024420 |
6 | 14343134152130 |
7 | 1446131352213 |
oct | 254255707026 |
9 | 65631106200 |
10 | 23131033110 |
11 | 989a957599 |
12 | 4596652646 |
13 | 2248279c53 |
14 | 119607ab0a |
15 | 905a94690 |
hex | 562b78e16 |
23131033110 has 40 divisors (see below), whose sum is σ = 62196780096. Its totient is φ = 6168275280.
The previous prime is 23131033087. The next prime is 23131033141. The reversal of 23131033110 is 1133013132.
It is a happy number.
23131033110 is a `hidden beast` number, since 2 + 313 + 10 + 331 + 10 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14277606 + ... + 14279225.
Almost surely, 223131033110 is an apocalyptic number.
23131033110 is an abundant number, since it is smaller than the sum of its proper divisors (39065746986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23131033110 is a wasteful number, since it uses less digits than its factorization.
23131033110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28556850 (or 28556841 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 23131033110 its reverse (1133013132), we get a palindrome (24264046242).
The spelling of 23131033110 in words is "twenty-three billion, one hundred thirty-one million, thirty-three thousand, one hundred ten".
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