Base | Representation |
---|---|
bin | 10101011011111101… |
… | …000010101000001000 |
3 | 2012102010121102210120 |
4 | 111123331002220020 |
5 | 334114444032210 |
6 | 14324002143240 |
7 | 1443253033365 |
oct | 253375025010 |
9 | 65363542716 |
10 | 23017564680 |
11 | 98418a7030 |
12 | 4564651b20 |
13 | 222a8cbc76 |
14 | 1184d8146c |
15 | 8eab2e270 |
hex | 55bf42a08 |
23017564680 has 128 divisors (see below), whose sum is σ = 76076496000. Its totient is φ = 5524736000.
The previous prime is 23017564679. The next prime is 23017564699. The reversal of 23017564680 is 8646571032.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46996 + ... + 219644.
It is an arithmetic number, because the mean of its divisors is an integer number (594347625).
Almost surely, 223017564680 is an apocalyptic number.
23017564680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23017564680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38038248000).
23017564680 is an abundant number, since it is smaller than the sum of its proper divisors (53058931320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23017564680 is a wasteful number, since it uses less digits than its factorization.
23017564680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172775 (or 172771 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 42.
The spelling of 23017564680 in words is "twenty-three billion, seventeen million, five hundred sixty-four thousand, six hundred eighty".
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