Base | Representation |
---|---|
bin | 10101011011110100… |
… | …001101110001011000 |
3 | 2012101222020220001220 |
4 | 111123310031301120 |
5 | 334113401013112 |
6 | 14323440412040 |
7 | 1443224256144 |
oct | 253364156130 |
9 | 65358226056 |
10 | 23015251032 |
11 | 9840566824 |
12 | 4563917020 |
13 | 222a29bb47 |
14 | 118493c224 |
15 | 8ea82398c |
hex | 55bd0dc58 |
23015251032 has 32 divisors (see below), whose sum is σ = 60922724400. Its totient is φ = 7220470784.
The previous prime is 23015250997. The next prime is 23015251033.
It is a happy number.
23015251032 is nontrivially palindromic in base 10.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 23015250993 and 23015251011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23015251033) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28204557 + ... + 28205372.
Almost surely, 223015251032 is an apocalyptic number.
It is an amenable number.
23015251032 is an abundant number, since it is smaller than the sum of its proper divisors (37907473368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23015251032 is a wasteful number, since it uses less digits than its factorization.
23015251032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56409955 (or 56409951 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 24.
The spelling of 23015251032 in words is "twenty-three billion, fifteen million, two hundred fifty-one thousand, thirty-two".
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