Base | Representation |
---|---|
bin | 110001011100011001… |
… | …111101001101001101 |
3 | 12002000221001011011000 |
4 | 301130121331031031 |
5 | 1332212004300400 |
6 | 40220021050513 |
7 | 3556421560260 |
oct | 613431751515 |
9 | 162027034130 |
10 | 53089915725 |
11 | 20573967510 |
12 | a357856a39 |
13 | 5010c76a22 |
14 | 27d8c60cd7 |
15 | 15aac9a600 |
hex | c5c67d34d |
53089915725 has 384 divisors, whose sum is σ = 125980508160. Its totient is φ = 21282912000.
The previous prime is 53089915699. The next prime is 53089915741. The reversal of 53089915725 is 52751998035.
53089915725 is a `hidden beast` number, since 530 + 8 + 99 + 15 + 7 + 2 + 5 = 666.
It is not a de Polignac number, because 53089915725 - 25 = 53089915693 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 251610870 + ... + 251611080.
It is an arithmetic number, because the mean of its divisors is an integer number (328074240).
Almost surely, 253089915725 is an apocalyptic number.
53089915725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
53089915725 is an abundant number, since it is smaller than the sum of its proper divisors (72890592435).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53089915725 is a wasteful number, since it uses less digits than its factorization.
53089915725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 398 (or 387 counting only the distinct ones).
The product of its (nonzero) digits is 3402000, while the sum is 54.
The spelling of 53089915725 in words is "fifty-three billion, eighty-nine million, nine hundred fifteen thousand, seven hundred twenty-five".
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