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42179965238 = 2162712962497
BaseRepresentation
bin100111010010000111…
…110011000100110110
311000212121001020121202
4213102013303010312
51142341032341423
631213251012502
73022154534405
oct472207630466
9130777036552
1042179965238
1116985544204
128211b9a132
133c928baa18
142081d1163c
15116d097728
hex9d21f3136

42179965238 has 8 divisors (see below), whose sum is σ = 63308840232. Its totient is φ = 21077018496.

The previous prime is 42179965237. The next prime is 42179965241. The reversal of 42179965238 is 83256997124.

42179965238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×421799652383 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42179965231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6477995 + ... + 6484502.

It is an arithmetic number, because the mean of its divisors is an integer number (7913605029).

Almost surely, 242179965238 is an apocalyptic number.

42179965238 is a deficient number, since it is larger than the sum of its proper divisors (21128874994).

42179965238 is a wasteful number, since it uses less digits than its factorization.

42179965238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12964126.

The product of its digits is 6531840, while the sum is 56.

The spelling of 42179965238 in words is "forty-two billion, one hundred seventy-nine million, nine hundred sixty-five thousand, two hundred thirty-eight".

Divisors: 1 2 1627 3254 12962497 25924994 21089982619 42179965238