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80072683737 = 3117122793249
BaseRepresentation
bin100101010010010110…
…1000011000011011001
321122200101212210100020
41022210231003003121
52302442101334422
6100441311301053
75533163403354
oct1124455030331
9248611783306
1080072683737
1130a5aa40492
121362821a789
137721203047
143c3869929b
152139a7995c
hex12a4b430d9

80072683737 has 8 divisors (see below), whose sum is σ = 106854756000. Its totient is φ = 53336200320.

The previous prime is 80072683711. The next prime is 80072683741. The reversal of 80072683737 is 73738627008.

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

It is not a de Polignac number, because 80072683737 - 212 = 80072679641 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 80072683737.

It is not an unprimeable number, because it can be changed into a prime (80072683777) 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, 11393112 + ... + 11400137.

It is an arithmetic number, because the mean of its divisors is an integer number (13356844500).

Almost surely, 280072683737 is an apocalyptic number.

It is an amenable number.

80072683737 is a deficient number, since it is larger than the sum of its proper divisors (26782072263).

80072683737 is a wasteful number, since it uses less digits than its factorization.

80072683737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22794423.

The product of its (nonzero) digits is 2370816, while the sum is 51.

The spelling of 80072683737 in words is "eighty billion, seventy-two million, six hundred eighty-three thousand, seven hundred thirty-seven".

Divisors: 1 3 1171 3513 22793249 68379747 26690894579 80072683737