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79679954652 = 223171069365377
BaseRepresentation
bin100101000110101001…
…0111001111011011100
321121200000220002022120
41022031102321323130
52301141032022102
6100334321542540
75520354303534
oct1121522717334
9247600802276
1079679954652
11308792912a1
12135387a4a50
13768aa3907c
143bdc4684c4
1521153506bc
hex128d4b9edc

79679954652 has 48 divisors (see below), whose sum is σ = 197041047840. Its totient is φ = 24974180352.

The previous prime is 79679954639. The next prime is 79679954657. The reversal of 79679954652 is 25645997697.

It is a super-2 number, since 2×796799546522 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79679954657) 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, 35388 + ... + 400764.

It is an arithmetic number, because the mean of its divisors is an integer number (4105021830).

Almost surely, 279679954652 is an apocalyptic number.

It is an amenable number.

79679954652 is an abundant number, since it is smaller than the sum of its proper divisors (117361093188).

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

79679954652 is a wasteful number, since it uses less digits than its factorization.

79679954652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366470 (or 366468 counting only the distinct ones).

The product of its digits is 257191200, while the sum is 69.

The spelling of 79679954652 in words is "seventy-nine billion, six hundred seventy-nine million, nine hundred fifty-four thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 1069 2138 3207 4276 6414 12828 18173 36346 54519 72692 109038 218076 365377 730754 1096131 1461508 2192262 4384524 6211409 12422818 18634227 24845636 37268454 74536908 390588013 781176026 1171764039 1562352052 2343528078 4687056156 6639996221 13279992442 19919988663 26559984884 39839977326 79679954652