Base | Representation |
---|---|
bin | 1111101000000… |
… | …00101111111000 |
3 | 100010122022012000 |
4 | 13310000233320 |
5 | 232023400224 |
6 | 21001221000 |
7 | 3151056021 |
oct | 764005770 |
9 | 303568160 |
10 | 131075064 |
11 | 67a966aa |
12 | 37a91760 |
13 | 21203c13 |
14 | 1359dc48 |
15 | b7920c9 |
hex | 7d00bf8 |
131075064 has 32 divisors (see below), whose sum is σ = 364098000. Its totient is φ = 43691616.
The previous prime is 131075059. The next prime is 131075071. The reversal of 131075064 is 460570131.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
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, 303199 + ... + 303630.
Almost surely, 2131075064 is an apocalyptic number.
It is an amenable number.
131075064 is an abundant number, since it is smaller than the sum of its proper divisors (233022936).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131075064 is a wasteful number, since it uses less digits than its factorization.
131075064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 606844 (or 606834 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The square root of 131075064 is about 11448.8018587099. The cubic root of 131075064 is about 507.9722947670.
The spelling of 131075064 in words is "one hundred thirty-one million, seventy-five thousand, sixty-four".
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