Base | Representation |
---|---|
bin | 10101011011101011… |
… | …101000010001111000 |
3 | 2012101211000112122220 |
4 | 111123223220101320 |
5 | 334112312002222 |
6 | 14323320244040 |
7 | 1443166163241 |
oct | 253353502170 |
9 | 65354015586 |
10 | 23013000312 |
11 | 983a269825 |
12 | 4563010620 |
13 | 2229991563 |
14 | 1184513cc8 |
15 | 8ea52bb5c |
hex | 55bae8478 |
23013000312 has 64 divisors (see below), whose sum is σ = 58483313280. Its totient is φ = 7545044352.
The previous prime is 23013000301. The next prime is 23013000323. The reversal of 23013000312 is 21300031032.
It is an interprime number because it is at equal distance from previous prime (23013000301) and next prime (23013000323).
It is a super-2 number, since 2×230130003122 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23013000291 and 23013000300.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426738 + ... + 477630.
It is an arithmetic number, because the mean of its divisors is an integer number (913801770).
Almost surely, 223013000312 is an apocalyptic number.
It is an amenable number.
23013000312 is an abundant number, since it is smaller than the sum of its proper divisors (35470312968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23013000312 is a wasteful number, since it uses less digits than its factorization.
23013000312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51212 (or 51208 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 23013000312 its reverse (21300031032), we get a palindrome (44313031344).
The spelling of 23013000312 in words is "twenty-three billion, thirteen million, three hundred twelve", and thus it is an aban number.
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