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42179435975 = 521687177439
BaseRepresentation
bin100111010010000101…
…110001110111000111
311000212120001100121102
4213102011301313013
51142340413422400
631213231410315
73022150201355
oct472205616707
9130776040542
1042179435975
11169852125a6
12821198399b
133c92763b51
142081c147d5
15116cee09d5
hex9d2171dc7

42179435975 has 6 divisors (see below), whose sum is σ = 52302500640. Its totient is φ = 33743548760.

The previous prime is 42179435959. The next prime is 42179436011. The reversal of 42179435975 is 57953497124.

It is a happy number.

It is not a de Polignac number, because 42179435975 - 24 = 42179435959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42179435975.

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 5 ways as a sum of consecutive naturals, for example, 843588695 + ... + 843588744.

It is an arithmetic number, because the mean of its divisors is an integer number (8717083440).

Almost surely, 242179435975 is an apocalyptic number.

42179435975 is a deficient number, since it is larger than the sum of its proper divisors (10123064665).

42179435975 is a wasteful number, since it uses less digits than its factorization.

42179435975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687177449 (or 1687177444 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 56.

The spelling of 42179435975 in words is "forty-two billion, one hundred seventy-nine million, four hundred thirty-five thousand, nine hundred seventy-five".

Divisors: 1 5 25 1687177439 8435887195 42179435975