Base | Representation |
---|---|
bin | 10101110001101010… |
… | …111101111100001100 |
3 | 2020100112012220002002 |
4 | 111301222331330030 |
5 | 340341233110034 |
6 | 14424055451432 |
7 | 1455266042300 |
oct | 256152757414 |
9 | 66315186062 |
10 | 23381925644 |
11 | 9a0953a8a0 |
12 | 4646686b78 |
13 | 228824297c |
14 | 11bb509d00 |
15 | 91cb02e7e |
hex | 571abdf0c |
23381925644 has 36 divisors (see below), whose sum is σ = 51926099400. Its totient is φ = 9109840320.
The previous prime is 23381925643. The next prime is 23381925667. The reversal of 23381925644 is 44652918332.
It is not an unprimeable number, because it can be changed into a prime (23381925643) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5420369 + ... + 5424680.
It is an arithmetic number, because the mean of its divisors is an integer number (1442391650).
Almost surely, 223381925644 is an apocalyptic number.
It is an amenable number.
23381925644 is an abundant number, since it is smaller than the sum of its proper divisors (28544173756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23381925644 is a wasteful number, since it uses less digits than its factorization.
23381925644 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10845078 (or 10845069 counting only the distinct ones).
The product of its digits is 1244160, while the sum is 47.
The spelling of 23381925644 in words is "twenty-three billion, three hundred eighty-one million, nine hundred twenty-five thousand, six hundred forty-four".
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