Base | Representation |
---|---|
bin | 1111101000010… |
… | …11010111101100 |
3 | 100010201111212102 |
4 | 13310023113230 |
5 | 232031243242 |
6 | 21002154232 |
7 | 3151326614 |
oct | 764132754 |
9 | 303644772 |
10 | 131118572 |
11 | 68016362 |
12 | 37ab2978 |
13 | 2121a970 |
14 | 135b1a44 |
15 | b79ee32 |
hex | 7d0b5ec |
131118572 has 24 divisors (see below), whose sum is σ = 248491152. Its totient is φ = 60177600.
The previous prime is 131118557. The next prime is 131118587. The reversal of 131118572 is 275811131.
It is an interprime number because it is at equal distance from previous prime (131118557) and next prime (131118587).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2447 + ... + 16377.
It is an arithmetic number, because the mean of its divisors is an integer number (10353798).
Almost surely, 2131118572 is an apocalyptic number.
It is an amenable number.
131118572 is a deficient number, since it is larger than the sum of its proper divisors (117372580).
131118572 is a wasteful number, since it uses less digits than its factorization.
131118572 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14129 (or 14127 counting only the distinct ones).
The product of its digits is 1680, while the sum is 29.
The square root of 131118572 is about 11450.7018125528. The cubic root of 131118572 is about 508.0284926255.
The spelling of 131118572 in words is "one hundred thirty-one million, one hundred eighteen thousand, five hundred seventy-two".
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