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79940964733 = 7881101912721
BaseRepresentation
bin100101001110011011…
…0100101000101111101
321122100020000202211121
41022130312211011331
52302204341332413
6100420244150541
75530003663060
oct1123466450575
9248306022747
1079940964733
11309a2655003
12135b0098451
1376ccb34cc6
143c24dac8d7
15212d20bb8d
hex129cda517d

79940964733 has 16 divisors (see below), whose sum is σ = 91561760640. Its totient is φ = 68370508800.

The previous prime is 79940964721. The next prime is 79940964767. The reversal of 79940964733 is 33746904997.

It is a cyclic number.

It is not a de Polignac number, because 79940964733 - 221 = 79938867581 is a prime.

It is a super-2 number, since 2×799409647332 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79940974733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6277813 + ... + 6290533.

It is an arithmetic number, because the mean of its divisors is an integer number (5722610040).

Almost surely, 279940964733 is an apocalyptic number.

It is an amenable number.

79940964733 is a deficient number, since it is larger than the sum of its proper divisors (11620795907).

79940964733 is a wasteful number, since it uses less digits than its factorization.

79940964733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14628.

The product of its (nonzero) digits is 30862944, while the sum is 61.

The spelling of 79940964733 in words is "seventy-nine billion, nine hundred forty million, nine hundred sixty-four thousand, seven hundred thirty-three".

Divisors: 1 7 881 1019 6167 7133 12721 89047 897739 6284173 11207201 12962699 78450407 90738893 11420137819 79940964733