Base | Representation |
---|---|
bin | 111101001111011010… |
… | …1011100110101110100 |
3 | 110120110102110211001012 |
4 | 1322132311130311310 |
5 | 4123320020041042 |
6 | 140225553451352 |
7 | 12334015055102 |
oct | 1723665346564 |
9 | 416412424035 |
10 | 131513830772 |
11 | 50858146645 |
12 | 215a3870b58 |
13 | c52b6ca19c |
14 | 651856cc72 |
15 | 364abe0e82 |
hex | 1e9ed5cd74 |
131513830772 has 24 divisors (see below), whose sum is σ = 230897286984. Its totient is φ = 65543288832.
The previous prime is 131513830757. The next prime is 131513830787. The reversal of 131513830772 is 277038315131.
It is an interprime number because it is at equal distance from previous prime (131513830757) and next prime (131513830787).
It can be written as a sum of positive squares in 4 ways, for example, as 53849058916 + 77664771856 = 232054^2 + 278684^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5618918 + ... + 5642274.
It is an arithmetic number, because the mean of its divisors is an integer number (9620720291).
Almost surely, 2131513830772 is an apocalyptic number.
It is an amenable number.
131513830772 is a deficient number, since it is larger than the sum of its proper divisors (99383456212).
131513830772 is a wasteful number, since it uses less digits than its factorization.
131513830772 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27875 (or 27873 counting only the distinct ones).
The product of its (nonzero) digits is 105840, while the sum is 41.
The spelling of 131513830772 in words is "one hundred thirty-one billion, five hundred thirteen million, eight hundred thirty thousand, seven hundred seventy-two".
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