Base | Representation |
---|---|
bin | 111101010110001001… |
… | …0110100000011110100 |
3 | 110121001011100200220110 |
4 | 1322230102310003310 |
5 | 4124300321204420 |
6 | 140304221303020 |
7 | 12342426252234 |
oct | 1725422640364 |
9 | 417034320813 |
10 | 131739631860 |
11 | 50963651311 |
12 | 21647404a70 |
13 | c5664191b5 |
14 | 653a549cc4 |
15 | 3660944ee0 |
hex | 1eac4b40f4 |
131739631860 has 48 divisors (see below), whose sum is σ = 368914637952. Its totient is φ = 35126409600.
The previous prime is 131739631831. The next prime is 131739631879. The reversal of 131739631860 is 68136937131.
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, 398865 + ... + 650055.
It is an arithmetic number, because the mean of its divisors is an integer number (7685721624).
Almost surely, 2131739631860 is an apocalyptic number.
131739631860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131739631860 is an abundant number, since it is smaller than the sum of its proper divisors (237175006092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131739631860 is a wasteful number, since it uses less digits than its factorization.
131739631860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 259944 (or 259942 counting only the distinct ones).
The product of its (nonzero) digits is 489888, while the sum is 48.
The spelling of 131739631860 in words is "one hundred thirty-one billion, seven hundred thirty-nine million, six hundred thirty-one thousand, eight hundred sixty".
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