Base | Representation |
---|---|
bin | 110001101111010100… |
… | …001111111111000000 |
3 | 12002212001001012100112 |
4 | 301233110033333000 |
5 | 1333334214440010 |
6 | 40311313210452 |
7 | 3600323412125 |
oct | 615724177700 |
9 | 162761035315 |
10 | 53407186880 |
11 | 20716a67a83 |
12 | a425b60a28 |
13 | 5061910b38 |
14 | 282904c74c |
15 | 15c8a6ba05 |
hex | c6f50ffc0 |
53407186880 has 112 divisors (see below), whose sum is σ = 131405863680. Its totient is φ = 20653670400.
The previous prime is 53407186867. The next prime is 53407186901. The reversal of 53407186880 is 8868170435.
It is a super-2 number, since 2×534071868802 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
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, 13975370 + ... + 13979190.
It is an arithmetic number, because the mean of its divisors is an integer number (1173266640).
Almost surely, 253407186880 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 53407186880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65702931840).
53407186880 is an abundant number, since it is smaller than the sum of its proper divisors (77998676800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53407186880 is a wasteful number, since it uses less digits than its factorization.
53407186880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5278 (or 5268 counting only the distinct ones).
The product of its (nonzero) digits is 1290240, while the sum is 50.
The spelling of 53407186880 in words is "fifty-three billion, four hundred seven million, one hundred eighty-six thousand, eight hundred eighty".
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