Base | Representation |
---|---|
bin | 1111100111100… |
… | …01100111000000 |
3 | 100010112011010102 |
4 | 13303301213000 |
5 | 232014404211 |
6 | 21000021532 |
7 | 3150410156 |
oct | 763614700 |
9 | 303464112 |
10 | 131013056 |
11 | 67a54059 |
12 | 37a618a8 |
13 | 211b1925 |
14 | 135853d6 |
15 | b77da3b |
hex | 7cf19c0 |
131013056 has 28 divisors (see below), whose sum is σ = 273664680. Its totient is φ = 62058240.
The previous prime is 131013031. The next prime is 131013079. The reversal of 131013056 is 650310131.
It is a happy number.
It is a zygodrome in base 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52655 + ... + 55086.
Almost surely, 2131013056 is an apocalyptic number.
131013056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
131013056 is an abundant number, since it is smaller than the sum of its proper divisors (142651624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131013056 is a wasteful number, since it uses less digits than its factorization.
131013056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107772 (or 107762 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 20.
The square root of 131013056 is about 11446.0934820575. The cubic root of 131013056 is about 507.8921795683.
Adding to 131013056 its reverse (650310131), we get a palindrome (781323187).
The spelling of 131013056 in words is "one hundred thirty-one million, thirteen thousand, fifty-six".
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