Base | Representation |
---|---|
bin | 1111101010101… |
… | …00101100000010 |
3 | 100011021202211000 |
4 | 13311110230002 |
5 | 232120401012 |
6 | 21012432430 |
7 | 3154020300 |
oct | 765245402 |
9 | 304252730 |
10 | 131418882 |
11 | 68200a51 |
12 | 38018716 |
13 | 212c456a |
14 | 1364d270 |
15 | b80dddc |
hex | 7d54b02 |
131418882 has 48 divisors (see below), whose sum is σ = 339729120. Its totient is φ = 37547496.
The previous prime is 131418869. The next prime is 131418943. The reversal of 131418882 is 288814131.
It is a super-2 number, since 2×1314188822 = 34541845092259848, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22188 + ... + 27479.
It is an arithmetic number, because the mean of its divisors is an integer number (7077690).
Almost surely, 2131418882 is an apocalyptic number.
131418882 is an abundant number, since it is smaller than the sum of its proper divisors (208310238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131418882 is a wasteful number, since it uses less digits than its factorization.
131418882 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49692 (or 49679 counting only the distinct ones).
The product of its digits is 12288, while the sum is 36.
The square root of 131418882 is about 11463.8074826822. The cubic root of 131418882 is about 508.4160545723.
The spelling of 131418882 in words is "one hundred thirty-one million, four hundred eighteen thousand, eight hundred eighty-two".
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