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79837334868 = 223103340718959
BaseRepresentation
bin100101001011010101…
…1010000110101010100
321122002000000211101110
41022112223100311110
52302001324203433
6100402103055020
75524305102144
oct1122653206524
9248060024343
1079837334868
113094a104395
1213581441470
1376b4520265
143c15314924
15212408b963
hex1296ad0d54

79837334868 has 48 divisors (see below), whose sum is σ = 188160860160. Its totient is φ = 26344946784.

The previous prime is 79837334861. The next prime is 79837334887. The reversal of 79837334868 is 86843373897.

It is a junction number, because it is equal to n+sod(n) for n = 79837334799 and 79837334808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79837334861) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4201573 + ... + 4220531.

It is an arithmetic number, because the mean of its divisors is an integer number (3920017920).

Almost surely, 279837334868 is an apocalyptic number.

It is an amenable number.

79837334868 is an abundant number, since it is smaller than the sum of its proper divisors (108323525292).

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

79837334868 is a wasteful number, since it uses less digits than its factorization.

79837334868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22476 (or 22474 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 66.

The spelling of 79837334868 in words is "seventy-nine billion, eight hundred thirty-seven million, three hundred thirty-four thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 103 206 309 412 618 1236 3407 6814 10221 13628 18959 20442 37918 40884 56877 75836 113754 227508 350921 701842 1052763 1403684 1952777 2105526 3905554 4211052 5858331 7811108 11716662 23433324 64593313 129186626 193779939 258373252 387559878 775119756 6653111239 13306222478 19959333717 26612444956 39918667434 79837334868