Base | Representation |
---|---|
bin | 10101100010010111… |
… | …101010110111100000 |
3 | 2012200122011022102100 |
4 | 111202113222313200 |
5 | 334330023133134 |
6 | 14342405250400 |
7 | 1446031013034 |
oct | 254227526740 |
9 | 65618138370 |
10 | 23125208544 |
11 | 98976394a9 |
12 | 4594703a00 |
13 | 2246cbaa69 |
14 | 11953a21c4 |
15 | 9052e3999 |
hex | 5625eade0 |
23125208544 has 72 divisors (see below), whose sum is σ = 65809565640. Its totient is φ = 7702864128.
The previous prime is 23125208489. The next prime is 23125208563. The reversal of 23125208544 is 44580252132.
23125208544 is a `hidden beast` number, since 2 + 3 + 12 + 520 + 85 + 44 = 666.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 23125208499 and 23125208508.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 382842 + ... + 439110.
It is an arithmetic number, because the mean of its divisors is an integer number (914021745).
Almost surely, 223125208544 is an apocalyptic number.
23125208544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
23125208544 is an abundant number, since it is smaller than the sum of its proper divisors (42684357096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23125208544 is a wasteful number, since it uses less digits than its factorization.
23125208544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57712 (or 57701 counting only the distinct ones).
The product of its (nonzero) digits is 76800, while the sum is 36.
The spelling of 23125208544 in words is "twenty-three billion, one hundred twenty-five million, two hundred eight thousand, five hundred forty-four".
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