Base | Representation |
---|---|
bin | 1111101001110… |
… | …10101000011000 |
3 | 100011002100102001 |
4 | 13310322220120 |
5 | 232103442102 |
6 | 21010250344 |
7 | 3153064156 |
oct | 764725030 |
9 | 304070361 |
10 | 131312152 |
11 | 68138844 |
12 | 37b869b4 |
13 | 21287aca |
14 | 136223d6 |
15 | b7dc487 |
hex | 7d3aa18 |
131312152 has 16 divisors (see below), whose sum is σ = 256915440. Its totient is φ = 62801376.
The previous prime is 131312147. The next prime is 131312177. The reversal of 131312152 is 251213131.
It is a super-2 number, since 2×1313121522 = 34485762525742208, which contains 22 as substring.
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, 356643 + ... + 357010.
It is an arithmetic number, because the mean of its divisors is an integer number (16057215).
Almost surely, 2131312152 is an apocalyptic number.
It is an amenable number.
131312152 is a deficient number, since it is larger than the sum of its proper divisors (125603288).
131312152 is a wasteful number, since it uses less digits than its factorization.
131312152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 713682 (or 713678 counting only the distinct ones).
The product of its digits is 180, while the sum is 19.
The square root of 131312152 is about 11459.1514520055. The cubic root of 131312152 is about 508.2783829759.
Adding to 131312152 its reverse (251213131), we get a palindrome (382525283).
The spelling of 131312152 in words is "one hundred thirty-one million, three hundred twelve thousand, one hundred fifty-two".
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