Base | Representation |
---|---|
bin | 1001100111100111011010… |
… | …11111111000111000101000 |
3 | 2202220011001101000011200201 |
4 | 10303303231133320320220 |
5 | 10233030110300301120 |
6 | 112553140253041544 |
7 | 4312132164250105 |
oct | 463635537707050 |
9 | 82804041004621 |
10 | 21152403525160 |
11 | 6815758391106 |
12 | 24575891862b4 |
13 | ba5880a8005b |
14 | 531ad3351aac |
15 | 26a3511ec40a |
hex | 133ced7f8e28 |
21152403525160 has 32 divisors (see below), whose sum is σ = 47792041459200. Its totient is φ = 8425559894080.
The previous prime is 21152403525139. The next prime is 21152403525191. The reversal of 21152403525160 is 6152530425112.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106287696 + ... + 1106306815.
It is an arithmetic number, because the mean of its divisors is an integer number (1493501295600).
Almost surely, 221152403525160 is an apocalyptic number.
21152403525160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
21152403525160 is an abundant number, since it is smaller than the sum of its proper divisors (26639637934040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21152403525160 is a wasteful number, since it uses less digits than its factorization.
21152403525160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2212594761 (or 2212594757 counting only the distinct ones).
The product of its (nonzero) digits is 72000, while the sum is 37.
The spelling of 21152403525160 in words is "twenty-one trillion, one hundred fifty-two billion, four hundred three million, five hundred twenty-five thousand, one hundred sixty".
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