Base | Representation |
---|---|
bin | 100111100111000101… |
… | …001101111111110111 |
3 | 11001210002201200101121 |
4 | 213213011031333313 |
5 | 1144101043014430 |
6 | 31312212004411 |
7 | 3033654503524 |
oct | 474705157767 |
9 | 131702650347 |
10 | 42531610615 |
11 | 17045a9261a |
12 | 82ab900707 |
13 | 401a6cbb00 |
14 | 20b68ca14b |
15 | 118dda8a7a |
hex | 9e714dff7 |
42531610615 has 12 divisors (see below), whose sum is σ = 55265928264. Its totient is φ = 31407957984.
The previous prime is 42531610613. The next prime is 42531610621. The reversal of 42531610615 is 51601613524.
It is not a de Polignac number, because 42531610615 - 21 = 42531610613 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42531610613) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25165789 + ... + 25167478.
It is an arithmetic number, because the mean of its divisors is an integer number (4605494022).
Almost surely, 242531610615 is an apocalyptic number.
42531610615 is a deficient number, since it is larger than the sum of its proper divisors (12734317649).
42531610615 is a wasteful number, since it uses less digits than its factorization.
42531610615 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50333298 (or 50333285 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 34.
The spelling of 42531610615 in words is "forty-two billion, five hundred thirty-one million, six hundred ten thousand, six hundred fifteen".
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