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83757434140 = 2254187871707
BaseRepresentation
bin100111000000001010…
…1010000010100011100
322000012012101111122101
41032000111100110130
52333013400343030
6102251100254444
76023405305042
oct1160025202434
9260165344571
1083757434140
1132580984a56
1214296241424
137b8a717823
1440a7bca392
1522a32cc7ca
hex138055051c

83757434140 has 12 divisors (see below), whose sum is σ = 175890611736. Its totient is φ = 33502973648.

The previous prime is 83757434129. The next prime is 83757434153. The reversal of 83757434140 is 4143475738.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2093935834 + ... + 2093935873.

It is an arithmetic number, because the mean of its divisors is an integer number (14657550978).

Almost surely, 283757434140 is an apocalyptic number.

It is an amenable number.

83757434140 is an abundant number, since it is smaller than the sum of its proper divisors (92133177596).

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

83757434140 is a wasteful number, since it uses less digits than its factorization.

83757434140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187871716 (or 4187871714 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 83757434140 in words is "eighty-three billion, seven hundred fifty-seven million, four hundred thirty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 4187871707 8375743414 16751486828 20939358535 41878717070 83757434140