Base | Representation |
---|---|
bin | 110010000001111110… |
… | …111111101011100100 |
3 | 12010122212101011112110 |
4 | 302001332333223210 |
5 | 1340004404212210 |
6 | 40402342121020 |
7 | 3611145500013 |
oct | 620176775344 |
9 | 163585334473 |
10 | 53720382180 |
11 | 20867834273 |
12 | a4b2a20170 |
13 | 50b177b9ba |
14 | 2858898a7a |
15 | 15e62d5420 |
hex | c81fbfae4 |
53720382180 has 48 divisors (see below), whose sum is σ = 150644741184. Its totient is φ = 14303752320.
The previous prime is 53720382173. The next prime is 53720382223. The reversal of 53720382180 is 8128302735.
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, 637602 + ... + 716921.
It is an arithmetic number, because the mean of its divisors is an integer number (3138432108).
Almost surely, 253720382180 is an apocalyptic number.
It is an amenable number.
53720382180 is an abundant number, since it is smaller than the sum of its proper divisors (96924359004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53720382180 is a wasteful number, since it uses less digits than its factorization.
53720382180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1355196 (or 1355194 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 39.
The spelling of 53720382180 in words is "fifty-three billion, seven hundred twenty million, three hundred eighty-two thousand, one hundred eighty".
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