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80550376637 = 711699667753
BaseRepresentation
bin100101100000100101…
…1010011010010111101
321200220200202002210212
41023001023103102331
52304431344023022
6101000534042205
75551053622133
oct1130113232275
9250820662725
1080550376637
1131185651205
12137401a9365
137799177873
143c81cc5753
1521669883e2
hex12c12d34bd

80550376637 has 8 divisors (see below), whose sum is σ = 81733089600. Its totient is φ = 79369002720.

The previous prime is 80550376591. The next prime is 80550376661. The reversal of 80550376637 is 73667305508.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80550376637 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 (80550376337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213248 + ... + 454505.

It is an arithmetic number, because the mean of its divisors is an integer number (10216636200).

Almost surely, 280550376637 is an apocalyptic number.

It is an amenable number.

80550376637 is a deficient number, since it is larger than the sum of its proper divisors (1182712963).

80550376637 is a wasteful number, since it uses less digits than its factorization.

80550376637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669523.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 80550376637 in words is "eighty billion, five hundred fifty million, three hundred seventy-six thousand, six hundred thirty-seven".

Divisors: 1 71 1699 120629 667753 47410463 1134512347 80550376637