Base | Representation |
---|---|
bin | 110001011111010010… |
… | …100101011111000000 |
3 | 12002011022010002202011 |
4 | 301133102211133000 |
5 | 1332311402041300 |
6 | 40224510302304 |
7 | 3560550140515 |
oct | 613722453700 |
9 | 162138102664 |
10 | 53138315200 |
11 | 20599214783 |
12 | a36bab7994 |
13 | 501acc1779 |
14 | 280145d30c |
15 | 15b015aeba |
hex | c5f4a57c0 |
53138315200 has 84 divisors (see below), whose sum is σ = 134971446592. Its totient is φ = 20569651200.
The previous prime is 53138315177. The next prime is 53138315273. The reversal of 53138315200 is 251383135.
53138315200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 486069 + ... + 585268.
Almost surely, 253138315200 is an apocalyptic number.
53138315200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is an amenable number.
53138315200 is an abundant number, since it is smaller than the sum of its proper divisors (81833131392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53138315200 is a wasteful number, since it uses less digits than its factorization.
53138315200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1071390 (or 1071375 counting only the distinct ones).
The product of its (nonzero) digits is 10800, while the sum is 31.
Adding to 53138315200 its reverse (251383135), we get a palindrome (53389698335).
The spelling of 53138315200 in words is "fifty-three billion, one hundred thirty-eight million, three hundred fifteen thousand, two hundred".
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