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83664713184 = 253131094311427
BaseRepresentation
bin100110111101011001…
…1100011010111100000
321222221201220210101220
41031322303203113200
52332321131310214
6102233545055040
76021201220413
oct1157263432740
9258851823356
1083664713184
1132533605368
121426b187480
137b74452260
144099771b7a
15229a0b49a9
hex137ace35e0

83664713184 has 192 divisors, whose sum is σ = 239404999680. Its totient is φ = 25429800960.

The previous prime is 83664713179. The next prime is 83664713203. The reversal of 83664713184 is 48131746638.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58629079 + ... + 58630505.

It is an arithmetic number, because the mean of its divisors is an integer number (1246901040).

Almost surely, 283664713184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83664713184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119702499840).

83664713184 is an abundant number, since it is smaller than the sum of its proper divisors (155740286496).

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

83664713184 is a wasteful number, since it uses less digits than its factorization.

83664713184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993 (or 1985 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The spelling of 83664713184 in words is "eighty-three billion, six hundred sixty-four million, seven hundred thirteen thousand, one hundred eighty-four".