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80624604864 = 2631922101043
BaseRepresentation
bin100101100010110011…
…0011101011011000000
321201002212102021210110
41023011212131123000
52310104344323424
6101012145031320
75552644556016
oct1130546353300
9251085367713
1080624604864
113121353aa51
1213761025540
1377ab666aab
143c8bac88b6
15216d24bc29
hex12c599d6c0

80624604864 has 56 divisors (see below), whose sum is σ = 224546607040. Its totient is φ = 25460400384.

The previous prime is 80624604847. The next prime is 80624604871. The reversal of 80624604864 is 46840642608.

It is a super-2 number, since 2×806246048642 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11046874 + ... + 11054169.

It is an arithmetic number, because the mean of its divisors is an integer number (4009760840).

Almost surely, 280624604864 is an apocalyptic number.

It is an amenable number.

80624604864 is an abundant number, since it is smaller than the sum of its proper divisors (143922002176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80624604864 is a wasteful number, since it uses less digits than its factorization.

80624604864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22101077 (or 22101067 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 80624604864 in words is "eighty billion, six hundred twenty-four million, six hundred four thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 76 96 114 152 192 228 304 456 608 912 1216 1824 3648 22101043 44202086 66303129 88404172 132606258 176808344 265212516 353616688 419919817 530425032 707233376 839839634 1060850064 1259759451 1414466752 1679679268 2121700128 2519518902 3359358536 4243400256 5039037804 6718717072 10078075608 13437434144 20156151216 26874868288 40312302432 80624604864