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83379170838 = 2329479190637
BaseRepresentation
bin100110110100111001…
…0010010111000010110
321222012211121201221110
41031221302102320112
52331230031431323
6102145344555450
76011133154425
oct1155162227026
9258184551843
1083379170838
11323a7406157
12141ab622b86
137b2a246ca2
14406d8832bc
15227eeae793
hex1369c92e16

83379170838 has 16 divisors (see below), whose sum is σ = 172508629680. Its totient is φ = 26834675616.

The previous prime is 83379170813. The next prime is 83379170891. The reversal of 83379170838 is 83807197338.

It is a super-2 number, since 2×833791708382 (a number of 23 digits) contains 22 as substring.

It is a Curzon 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, 239595145 + ... + 239595492.

It is an arithmetic number, because the mean of its divisors is an integer number (10781789355).

Almost surely, 283379170838 is an apocalyptic number.

83379170838 is an abundant number, since it is smaller than the sum of its proper divisors (89129458842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83379170838 is a wasteful number, since it uses less digits than its factorization.

83379170838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479190671.

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 83379170838 in words is "eighty-three billion, three hundred seventy-nine million, one hundred seventy thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 29 58 87 174 479190637 958381274 1437571911 2875143822 13896528473 27793056946 41689585419 83379170838