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42531610615 = 513250333267
BaseRepresentation
bin100111100111000101…
…001101111111110111
311001210002201200101121
4213213011031333313
51144101043014430
631312212004411
73033654503524
oct474705157767
9131702650347
1042531610615
1117045a9261a
1282ab900707
13401a6cbb00
1420b68ca14b
15118dda8a7a
hex9e714dff7

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".

Divisors: 1 5 13 65 169 845 50333267 251666335 654332471 3271662355 8506322123 42531610615