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42745342494 = 237124223749
BaseRepresentation
bin100111110011110100…
…100010101000011110
311002022222220101102010
4213303310202220132
51200020301424434
631345325012050
73042161262531
oct476364425036
9132288811363
1042745342494
11171456a4538
12834b3b4026
134052a8348a
1420d7044a18
1511a2a269e9
hex9f3d22a1e

42745342494 has 8 divisors (see below), whose sum is σ = 85490685000. Its totient is φ = 14248447496.

The previous prime is 42745342469. The next prime is 42745342537. The reversal of 42745342494 is 49424354724.

It is a sphenic number, since it is the product of 3 distinct primes.

42745342494 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3562111869 + ... + 3562111880.

It is an arithmetic number, because the mean of its divisors is an integer number (10686335625).

Almost surely, 242745342494 is an apocalyptic number.

42745342494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42745342494 is a wasteful number, since it uses less digits than its factorization.

42745342494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7124223754.

The product of its digits is 3870720, while the sum is 48.

The spelling of 42745342494 in words is "forty-two billion, seven hundred forty-five million, three hundred forty-two thousand, four hundred ninety-four".

Divisors: 1 2 3 6 7124223749 14248447498 21372671247 42745342494