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72487448112 = 24317194675403
BaseRepresentation
bin100001110000010010…
…1101010111000110000
320221002202220220012110
41003200211222320300
52141423241314422
653144505325320
75144210066652
oct1034045527060
9227082826173
1072487448112
1128818302712
121206ba96840
136ab28a0841
14371911a6d2
151d43bac60c
hex10e096ae30

72487448112 has 80 divisors (see below), whose sum is σ = 208710034560. Its totient is φ = 21544252416.

The previous prime is 72487448107. The next prime is 72487448123. The reversal of 72487448112 is 21184478427.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2322198 + ... + 2353205.

It is an arithmetic number, because the mean of its divisors is an integer number (2608875432).

Almost surely, 272487448112 is an apocalyptic number.

It is an amenable number.

72487448112 is an abundant number, since it is smaller than the sum of its proper divisors (136222586448).

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

72487448112 is a wasteful number, since it uses less digits than its factorization.

72487448112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675450 (or 4675444 counting only the distinct ones).

The product of its digits is 802816, while the sum is 48.

The spelling of 72487448112 in words is "seventy-two billion, four hundred eighty-seven million, four hundred forty-eight thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 17 19 24 34 38 48 51 57 68 76 102 114 136 152 204 228 272 304 323 408 456 646 816 912 969 1292 1938 2584 3876 5168 7752 15504 4675403 9350806 14026209 18701612 28052418 37403224 56104836 74806448 79481851 88832657 112209672 158963702 177665314 224419344 238445553 266497971 317927404 355330628 476891106 532995942 635854808 710661256 953782212 1065991884 1271709616 1421322512 1510155169 1907564424 2131983768 3020310338 3815128848 4263967536 4530465507 6040620676 9060931014 12081241352 18121862028 24162482704 36243724056 72487448112