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83091966630912 = 2103223231619013
BaseRepresentation
bin10010111001001001011011…
…001001111001110000000000
3101220012111220000120012122100
4102321021123021321300000
541342334321424142122
6452415531132110400
723334124251623001
oct2271113311716000
9356174800505570
1083091966630912
1124526117a61908
12939b943605400
133749700a77105
14167395ba391a8
1599162cec9aac
hex4b925b279c00

83091966630912 has 792 divisors, whose sum is σ = 263175555214208. Its totient is φ = 25215374131200.

The previous prime is 83091966630887. The next prime is 83091966630977. The reversal of 83091966630912 is 21903666919038.

It is a self number, because there is not a number n which added to its sum of digits gives 83091966630912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9219119718 + ... + 9219128730.

Almost surely, 283091966630912 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 83091966630912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131587777607104).

83091966630912 is an abundant number, since it is smaller than the sum of its proper divisors (180083588583296).

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

83091966630912 is a wasteful number, since it uses less digits than its factorization.

83091966630912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9177 (or 9133 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 63.

The spelling of 83091966630912 in words is "eighty-three trillion, ninety-one billion, nine hundred sixty-six million, six hundred thirty thousand, nine hundred twelve".