Base | Representation |
---|---|
bin | 10101011011110100… |
… | …010001000110001100 |
3 | 2012101222021120202100 |
4 | 111123310101012030 |
5 | 334113401432102 |
6 | 14323440555100 |
7 | 1443224343642 |
oct | 253364210614 |
9 | 65358246670 |
10 | 23015264652 |
11 | 9840575a86 |
12 | 4563922a90 |
13 | 222a2a50c3 |
14 | 1184943192 |
15 | 8ea827a1c |
hex | 55bd1118c |
23015264652 has 72 divisors (see below), whose sum is σ = 60414262272. Its totient is φ = 7379762400.
The previous prime is 23015264641. The next prime is 23015264711. The reversal of 23015264652 is 25646251032.
23015264652 is a `hidden beast` number, since 2 + 3 + 0 + 1 + 5 + 2 + 646 + 5 + 2 = 666.
It is a super-2 number, since 2×230152646522 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124627 + ... + 248117.
It is an arithmetic number, because the mean of its divisors is an integer number (839086976).
Almost surely, 223015264652 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23015264652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30207131136).
23015264652 is an abundant number, since it is smaller than the sum of its proper divisors (37398997620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23015264652 is a wasteful number, since it uses less digits than its factorization.
23015264652 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123699 (or 123694 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 36.
The spelling of 23015264652 in words is "twenty-three billion, fifteen million, two hundred sixty-four thousand, six hundred fifty-two".
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