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83687842701 = 3282903112163
BaseRepresentation
bin100110111110000101…
…1110010001110001101
322000000100102220010200
41031330023302032031
52332343041431301
6102240132524113
76021601632411
oct1157413621615
9260010386120
1083687842701
1132545672971
1214276a80639
137b7918cc68
14409c872d41
15229c132c86
hex137c2f238d

83687842701 has 12 divisors (see below), whose sum is σ = 120884975328. Its totient is φ = 55790724744.

The previous prime is 83687842687. The next prime is 83687842703. The reversal of 83687842701 is 10724878638.

It is a happy number.

83687842701 is a `hidden beast` number, since 8 + 368 + 7 + 8 + 4 + 270 + 1 = 666.

It is not a de Polignac number, because 83687842701 - 25 = 83687842669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83687842703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 690046 + ... + 802208.

It is an arithmetic number, because the mean of its divisors is an integer number (10073747944).

Almost surely, 283687842701 is an apocalyptic number.

It is an amenable number.

83687842701 is a deficient number, since it is larger than the sum of its proper divisors (37197132627).

83687842701 is a wasteful number, since it uses less digits than its factorization.

83687842701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195072 (or 195069 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 83687842701 in words is "eighty-three billion, six hundred eighty-seven million, eight hundred forty-two thousand, seven hundred one".

Divisors: 1 3 9 82903 112163 248709 336489 746127 1009467 9298649189 27895947567 83687842701