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79481688404 = 22295478391493
BaseRepresentation
bin100101000000101111…
…0100101000101010100
321121011012211010011012
41022001132211011110
52300234303012104
6100302520231352
75512426130036
oct1120136450524
9247135733135
1079481688404
1130787382998
12134a230b558
13765893ac71
143bbddb7c56
152102c39d6e
hex12817a5154

79481688404 has 48 divisors (see below), whose sum is σ = 144420796800. Its totient is φ = 38229050496.

The previous prime is 79481688401. The next prime is 79481688413. The reversal of 79481688404 is 40488618497.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79481688401) 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, 53235482 + ... + 53236974.

It is an arithmetic number, because the mean of its divisors is an integer number (3008766600).

Almost surely, 279481688404 is an apocalyptic number.

It is an amenable number.

79481688404 is a deficient number, since it is larger than the sum of its proper divisors (64939108396).

79481688404 is a wasteful number, since it uses less digits than its factorization.

79481688404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912 (or 2910 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 59.

The spelling of 79481688404 in words is "seventy-nine billion, four hundred eighty-one million, six hundred eighty-eight thousand, four hundred four".

Divisors: 1 2 4 29 58 116 547 839 1094 1493 1678 2188 2986 3356 5972 15863 24331 31726 43297 48662 63452 86594 97324 173188 458933 816671 917866 1252627 1633342 1835732 2505254 3266684 5010508 13309057 23683459 26618114 36326183 47366918 53236228 72652366 94733836 145304732 685186969 1370373938 2740747876 19870422101 39740844202 79481688404