Base | Representation |
---|---|
bin | 111101001111000101… |
… | …1000110111000010100 |
3 | 110120102122120212201002 |
4 | 1322132023012320110 |
5 | 4123304144341042 |
6 | 140224515522432 |
7 | 12333521524430 |
oct | 1723613067024 |
9 | 416378525632 |
10 | 131502730772 |
11 | 50851954a96 |
12 | 2159bbb9418 |
13 | c529311a3a |
14 | 6516cbd9c0 |
15 | 3649c4c132 |
hex | 1e9e2c6e14 |
131502730772 has 12 divisors (see below), whose sum is σ = 263005461600. Its totient is φ = 56358313176.
The previous prime is 131502730769. The next prime is 131502730781. The reversal of 131502730772 is 277037205131.
131502730772 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2348263022 + ... + 2348263077.
It is an arithmetic number, because the mean of its divisors is an integer number (21917121800).
Almost surely, 2131502730772 is an apocalyptic number.
It is an amenable number.
131502730772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131502730772 is a wasteful number, since it uses less digits than its factorization.
131502730772 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4696526110 (or 4696526108 counting only the distinct ones).
The product of its (nonzero) digits is 61740, while the sum is 38.
The spelling of 131502730772 in words is "one hundred thirty-one billion, five hundred two million, seven hundred thirty thousand, seven hundred seventy-two".
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