Base | Representation |
---|---|
bin | 110001011011111111… |
… | …101001011001111110 |
3 | 12002000110001202110020 |
4 | 301123333221121332 |
5 | 1332203223101003 |
6 | 40215213153010 |
7 | 3556306133661 |
oct | 613377513176 |
9 | 162013052406 |
10 | 53083018878 |
11 | 2056aa8683a |
12 | a35548b766 |
13 | 500c700756 |
14 | 27d7d876d8 |
15 | 15aa386d53 |
hex | c5bfe967e |
53083018878 has 16 divisors (see below), whose sum is σ = 106177925136. Its totient is φ = 17692358400.
The previous prime is 53083018871. The next prime is 53083018903. The reversal of 53083018878 is 87881038035.
It is a self number, because there is not a number n which added to its sum of digits gives 53083018878.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53083018871) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436723 + ... + 544878.
It is an arithmetic number, because the mean of its divisors is an integer number (6636120321).
Almost surely, 253083018878 is an apocalyptic number.
53083018878 is an abundant number, since it is smaller than the sum of its proper divisors (53094906258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53083018878 is a wasteful number, since it uses less digits than its factorization.
53083018878 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 990619.
The product of its (nonzero) digits is 1290240, while the sum is 51.
The spelling of 53083018878 in words is "fifty-three billion, eighty-three million, eighteen thousand, eight hundred seventy-eight".
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