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80716658588 = 2273072761621
BaseRepresentation
bin100101100101100010…
…1100111011110011100
321201100021122002202122
41023023011213132130
52310301431033323
6101025234042112
75555143164146
oct1131305473634
9251307562678
1080716658588
11312604a4305
1213787a19338
1377c4757757
143c9a00bc96
152176381ec8
hex12cb16779c

80716658588 has 12 divisors (see below), whose sum is σ = 141273535032. Its totient is φ = 40352791440.

The previous prime is 80716658579. The next prime is 80716658623. The reversal of 80716658588 is 88585661708.

It is a super-2 number, since 2×807166585882 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80716658588.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1351583 + ... + 1410038.

It is an arithmetic number, because the mean of its divisors is an integer number (11772794586).

Almost surely, 280716658588 is an apocalyptic number.

It is an amenable number.

80716658588 is a deficient number, since it is larger than the sum of its proper divisors (60556876444).

80716658588 is a wasteful number, since it uses less digits than its factorization.

80716658588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768932 (or 2768930 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 62.

The spelling of 80716658588 in words is "eighty billion, seven hundred sixteen million, six hundred fifty-eight thousand, five hundred eighty-eight".

Divisors: 1 2 4 7307 14614 29228 2761621 5523242 11046484 20179164647 40358329294 80716658588