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80560867056505 = 5115698867290317
BaseRepresentation
bin10010010100010100001001…
…110111010001101101111001
3101120020112200100011120112121
4102110110021313101231321
541024402123431302010
6443201052412041241
722653221246335153
oct2224241167215571
9346215610146477
1080560867056505
112373a743266020
12905129b463221
1335c4b1b26ab54
1415c724988dad3
1594a88de903da
hex494509dd1b79

80560867056505 has 32 divisors (see below), whose sum is σ = 105659122584960. Its totient is φ = 58479954424320.

The previous prime is 80560867056479. The next prime is 80560867056559. The reversal of 80560867056505 is 50565076806508.

It is not a de Polignac number, because 80560867056505 - 229 = 80560330185593 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277347607 + ... + 277637923.

It is an arithmetic number, because the mean of its divisors is an integer number (3301847580780).

Almost surely, 280560867056505 is an apocalyptic number.

It is an amenable number.

80560867056505 is a deficient number, since it is larger than the sum of its proper divisors (25098255528455).

80560867056505 is a wasteful number, since it uses less digits than its factorization.

80560867056505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299769.

The product of its (nonzero) digits is 60480000, while the sum is 61.

The spelling of 80560867056505 in words is "eighty trillion, five hundred sixty billion, eight hundred sixty-seven million, fifty-six thousand, five hundred five".

Divisors: 1 5 11 55 569 2845 6259 8867 31295 44335 97537 290317 487685 1451585 3193487 5045323 15967435 25226615 55498553 165190373 277492765 825951865 1817094103 2574240839 9085470515 12871204195 28316649229 141583246145 1464743037391 7323715186955 16112173411301 80560867056505