Base | Representation |
---|---|
bin | 110001011110111000… |
… | …110010100101110100 |
3 | 12002010211101112221111 |
4 | 301132320302211310 |
5 | 1332303134200030 |
6 | 40224105324404 |
7 | 3560435515201 |
oct | 613670624564 |
9 | 162124345844 |
10 | 53131553140 |
11 | 205954162a6 |
12 | a369796704 |
13 | 5019794953 |
14 | 28005bcca8 |
15 | 15ae77262a |
hex | c5ee32974 |
53131553140 has 48 divisors (see below), whose sum is σ = 114364275984. Its totient is φ = 20722176000.
The previous prime is 53131553131. The next prime is 53131553147. The reversal of 53131553140 is 4135513135.
It can be written as a sum of positive squares in 8 ways, for example, as 3332060176 + 49799492964 = 57724^2 + 223158^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53131553147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1458832 + ... + 1494808.
It is an arithmetic number, because the mean of its divisors is an integer number (2382589083).
Almost surely, 253131553140 is an apocalyptic number.
It is an amenable number.
53131553140 is an abundant number, since it is smaller than the sum of its proper divisors (61232722844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53131553140 is a wasteful number, since it uses less digits than its factorization.
53131553140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37828 (or 37826 counting only the distinct ones).
The product of its (nonzero) digits is 13500, while the sum is 31.
The spelling of 53131553140 in words is "fifty-three billion, one hundred thirty-one million, five hundred fifty-three thousand, one hundred forty".
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