Base | Representation |
---|---|
bin | 111101010000000111… |
… | …1111000011111001010 |
3 | 110120112002002012211112 |
4 | 1322200033320133022 |
5 | 4123342102140340 |
6 | 140232201530322 |
7 | 12334423421300 |
oct | 1724017703712 |
9 | 416462065745 |
10 | 131537536970 |
11 | 5086a568444 |
12 | 215ab7a39a2 |
13 | c5335aa518 |
14 | 651b780270 |
15 | 364cd25065 |
hex | 1ea03f87ca |
131537536970 has 48 divisors (see below), whose sum is σ = 276495447240. Its totient is φ = 44923060224.
The previous prime is 131537536967. The next prime is 131537536993. The reversal of 131537536970 is 79635735131.
It can be written as a sum of positive squares in 4 ways, for example, as 131341732921 + 195804049 = 362411^2 + 13993^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 396335 + ... + 648194.
Almost surely, 2131537536970 is an apocalyptic number.
131537536970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131537536970 is an abundant number, since it is smaller than the sum of its proper divisors (144957910270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131537536970 is a wasteful number, since it uses less digits than its factorization.
131537536970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1044807 (or 1044800 counting only the distinct ones).
The product of its (nonzero) digits is 1786050, while the sum is 50.
The spelling of 131537536970 in words is "one hundred thirty-one billion, five hundred thirty-seven million, five hundred thirty-six thousand, nine hundred seventy".
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