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42315857705 = 51114946711057
BaseRepresentation
bin100111011010001110…
…001011111100101001
311001020001202022001002
4213122032023330221
51143130324421310
631234543404345
73025424566352
oct473216137451
9131201668032
1042315857705
1116a45220230
12824b5b36b5
133cb4aba574
142095da6d29
151179e8bda5
hex9da38bf29

42315857705 has 32 divisors (see below), whose sum is σ = 55891555200. Its totient is φ = 30500408320.

The previous prime is 42315857687. The next prime is 42315857741. The reversal of 42315857705 is 50775851324.

It is a de Polignac number, because none of the positive numbers 2k-42315857705 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42315857705.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3821537 + ... + 3832593.

It is an arithmetic number, because the mean of its divisors is an integer number (1746611100).

Almost surely, 242315857705 is an apocalyptic number.

It is an amenable number.

42315857705 is a deficient number, since it is larger than the sum of its proper divisors (13575697495).

42315857705 is a wasteful number, since it uses less digits than its factorization.

42315857705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11689.

The product of its (nonzero) digits is 1176000, while the sum is 47.

The spelling of 42315857705 in words is "forty-two billion, three hundred fifteen million, eight hundred fifty-seven thousand, seven hundred five".

Divisors: 1 5 11 55 149 467 745 1639 2335 5137 8195 11057 25685 55285 69583 121627 347915 608135 765413 1647493 3827065 5163619 8237465 18122423 25818095 56799809 90612115 283999045 769379231 3846896155 8463171541 42315857705