Base | Representation |
---|---|
bin | 110001111110001101… |
… | …011011100111001100 |
3 | 12010111110012221201211 |
4 | 301332031123213030 |
5 | 1334342201321430 |
6 | 40352200544204 |
7 | 3606446315446 |
oct | 617615334714 |
9 | 163443187654 |
10 | 53657057740 |
11 | 20835012720 |
12 | a495782064 |
13 | 50a1609810 |
14 | 28502d3496 |
15 | 15e097772a |
hex | c7e35b9cc |
53657057740 has 48 divisors (see below), whose sum is σ = 132379097760. Its totient is φ = 18010759680.
The previous prime is 53657057681. The next prime is 53657057767. The reversal of 53657057740 is 4775075635.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9377745 + ... + 9383464.
It is an arithmetic number, because the mean of its divisors is an integer number (2757897870).
Almost surely, 253657057740 is an apocalyptic number.
It is an amenable number.
53657057740 is an abundant number, since it is smaller than the sum of its proper divisors (78722040020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53657057740 is a wasteful number, since it uses less digits than its factorization.
53657057740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18761242 (or 18761240 counting only the distinct ones).
The product of its (nonzero) digits is 3087000, while the sum is 49.
The spelling of 53657057740 in words is "fifty-three billion, six hundred fifty-seven million, fifty-seven thousand, seven hundred forty".
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