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42254857368 = 23323891508671
BaseRepresentation
bin100111010110100101…
…011111010010011000
311001001210222011022100
4213112211133102120
51143014220413433
631224524123400
73024054234663
oct472645372230
9131053864270
1042254857368
1116a13846829
128233096560
133ca52801a9
14208bc486da
15117493cb13
hex9d695f498

42254857368 has 48 divisors (see below), whose sum is σ = 114734505600. Its totient is φ = 14048735040.

The previous prime is 42254857339. The next prime is 42254857387. The reversal of 42254857368 is 86375845224.

42254857368 is a `hidden beast` number, since 4 + 2 + 2 + 5 + 4 + 8 + 573 + 68 = 666.

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 11 ways as a sum of consecutive naturals, for example, 726328 + ... + 782343.

It is an arithmetic number, because the mean of its divisors is an integer number (2390302200).

Almost surely, 242254857368 is an apocalyptic number.

It is an amenable number.

42254857368 is an abundant number, since it is smaller than the sum of its proper divisors (72479648232).

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

42254857368 is a wasteful number, since it uses less digits than its factorization.

42254857368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509072 (or 1509065 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 54.

The spelling of 42254857368 in words is "forty-two billion, two hundred fifty-four million, eight hundred fifty-seven thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 389 778 1167 1556 2334 3112 3501 4668 7002 9336 14004 28008 1508671 3017342 4526013 6034684 9052026 12069368 13578039 18104052 27156078 36208104 54312156 108624312 586873019 1173746038 1760619057 2347492076 3521238114 4694984152 5281857171 7042476228 10563714342 14084952456 21127428684 42254857368