Base | Representation |
---|---|
bin | 110010001101000110… |
… | …100011001110101100 |
3 | 12011010212100212120200 |
4 | 302031012203032230 |
5 | 1340400132142142 |
6 | 40433044113500 |
7 | 3615602123151 |
oct | 621506431654 |
9 | 164125325520 |
10 | 53906912172 |
11 | 20953056a93 |
12 | a545395890 |
13 | 51112cab89 |
14 | 2875572228 |
15 | 160787d64c |
hex | c8d1a33ac |
53906912172 has 36 divisors (see below), whose sum is σ = 136290901656. Its totient is φ = 17965514880.
The previous prime is 53906912149. The next prime is 53906912177. The reversal of 53906912172 is 27121960935.
It is a happy number.
53906912172 is a `hidden beast` number, since 5 + 390 + 6 + 91 + 2 + 172 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (53906912177) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49347 + ... + 332037.
Almost surely, 253906912172 is an apocalyptic number.
It is an amenable number.
53906912172 is an abundant number, since it is smaller than the sum of its proper divisors (82383989484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53906912172 is a wasteful number, since it uses less digits than its factorization.
53906912172 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 287998 (or 287993 counting only the distinct ones).
The product of its (nonzero) digits is 204120, while the sum is 45.
The spelling of 53906912172 in words is "fifty-three billion, nine hundred six million, nine hundred twelve thousand, one hundred seventy-two".
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