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42059075845 = 517494812657
BaseRepresentation
bin100111001010111010…
…101001000100000101
311000120011120102112211
4213022322221010011
51142114110411340
631153251543421
73016156150243
oct471272510405
9130504512484
1042059075845
1116923285216
1281995bab71
133c73842037
14206dc43793
1511626685ea
hex9caea9105

42059075845 has 8 divisors (see below), whose sum is σ = 53439767064. Its totient is φ = 31668009984.

The previous prime is 42059075837. The next prime is 42059075881. The reversal of 42059075845 is 54857095024.

It can be written as a sum of positive squares in 4 ways, for example, as 4377277921 + 37681797924 = 66161^2 + 194118^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42059075845 - 23 = 42059075837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247406244 + ... + 247406413.

It is an arithmetic number, because the mean of its divisors is an integer number (6679970883).

Almost surely, 242059075845 is an apocalyptic number.

It is an amenable number.

42059075845 is a deficient number, since it is larger than the sum of its proper divisors (11380691219).

42059075845 is a wasteful number, since it uses less digits than its factorization.

42059075845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494812679.

The product of its (nonzero) digits is 2016000, while the sum is 49.

The spelling of 42059075845 in words is "forty-two billion, fifty-nine million, seventy-five thousand, eight hundred forty-five".

Divisors: 1 5 17 85 494812657 2474063285 8411815169 42059075845