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42065708475 = 352780125159
BaseRepresentation
bin100111001011010011…
…111100010110111011
311000120122001101210210
4213023103330112323
51142122310132400
631154050042203
73016266423330
oct471323742673
9130518041723
1042065708475
1116926aa542a
12819b879363
133c75024c7b
142070a8c987
151163028950
hex9cb4fc5bb

42065708475 has 24 divisors (see below), whose sum is σ = 79484158720. Its totient is φ = 19230037920.

The previous prime is 42065708473. The next prime is 42065708507. The reversal of 42065708475 is 57480756024.

It is not a de Polignac number, because 42065708475 - 21 = 42065708473 is a prime.

It is a super-3 number, since 3×420657084753 (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42065708473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40062055 + ... + 40063104.

Almost surely, 242065708475 is an apocalyptic number.

42065708475 is a deficient number, since it is larger than the sum of its proper divisors (37418450245).

42065708475 is a wasteful number, since it uses less digits than its factorization.

42065708475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80125179 (or 80125174 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 42065708475 in words is "forty-two billion, sixty-five million, seven hundred eight thousand, four hundred seventy-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 80125159 240375477 400625795 560876113 1201877385 1682628339 2003128975 2804380565 6009386925 8413141695 14021902825 42065708475