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83679853933 = 1317385198323
BaseRepresentation
bin100110111101110110…
…1010011110101101101
321222222210102000121101
41031323231103311231
52332334020311213
6102235245403101
76021444010504
oct1157355236555
9258883360541
1083679853933
1132541106885
1214274269491
137b77623990
14409b79383b
15229b5a5bdd
hex137bb53d6d

83679853933 has 16 divisors (see below), whose sum is σ = 95443500096. Its totient is φ = 72679622400.

The previous prime is 83679853921. The next prime is 83679853963. The reversal of 83679853933 is 33935897638.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-83679853933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83679853963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801910 + ... + 900232.

It is an arithmetic number, because the mean of its divisors is an integer number (5965218756).

Almost surely, 283679853933 is an apocalyptic number.

It is an amenable number.

83679853933 is a deficient number, since it is larger than the sum of its proper divisors (11763646163).

83679853933 is a wasteful number, since it uses less digits than its factorization.

83679853933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102204.

The product of its digits is 88179840, while the sum is 64.

The spelling of 83679853933 in words is "eighty-three billion, six hundred seventy-nine million, eight hundred fifty-three thousand, nine hundred thirty-three".

Divisors: 1 13 17 221 3851 50063 65467 98323 851071 1278199 1671491 21729383 378641873 4922344349 6436911841 83679853933