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80674066693 = 1127127062753
BaseRepresentation
bin100101100100010001…
…1001001000100000101
321201020022111012200001
41023020203021010011
52310210030113233
6101021113121301
75554115152423
oct1131043110405
9251208435601
1080674066693
11312394533a0
12137756b9231
1377b899424c
143c944c2113
15217276c27d
hex12c88c9105

80674066693 has 8 divisors (see below), whose sum is σ = 88332829056. Its totient is φ = 73069430400.

The previous prime is 80674066687. The next prime is 80674066703. The reversal of 80674066693 is 39666047608.

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

It is a cyclic number.

It is not a de Polignac number, because 80674066693 - 29 = 80674066181 is a prime.

It is a super-2 number, since 2×806740666932 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80674466693) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13528396 + ... + 13534357.

It is an arithmetic number, because the mean of its divisors is an integer number (11041603632).

Almost surely, 280674066693 is an apocalyptic number.

It is an amenable number.

80674066693 is a deficient number, since it is larger than the sum of its proper divisors (7658762363).

80674066693 is a wasteful number, since it uses less digits than its factorization.

80674066693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27063035.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 80674066693 in words is "eighty billion, six hundred seventy-four million, sixty-six thousand, six hundred ninety-three".

Divisors: 1 11 271 2981 27062753 297690283 7334006063 80674066693