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79108340136 = 2337868954193
BaseRepresentation
bin100100110101100111…
…0010111100110101000
321120012012022001121120
41021223032113212220
52244003213341021
6100201502135240
75500243540110
oct1115316274650
9246165261546
1079108340136
1130605660901
12133b9281520
1375c949b627
143b86590040
1520d008d2c6
hex126b3979a8

79108340136 has 64 divisors (see below), whose sum is σ = 226054012800. Its totient is φ = 22599364608.

The previous prime is 79108340119. The next prime is 79108340149. The reversal of 79108340136 is 63104380197.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1432656 + ... + 1486848.

It is an arithmetic number, because the mean of its divisors is an integer number (3532093950).

Almost surely, 279108340136 is an apocalyptic number.

It is an amenable number.

79108340136 is an abundant number, since it is smaller than the sum of its proper divisors (146945672664).

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

79108340136 is a wasteful number, since it uses less digits than its factorization.

79108340136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62898 (or 62894 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 79108340136 in words is "seventy-nine billion, one hundred eight million, three hundred forty thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 8689 17378 26067 34756 52134 54193 60823 69512 104268 108386 121646 162579 182469 208536 216772 243292 325158 364938 379351 433544 486584 650316 729876 758702 1138053 1300632 1459752 1517404 2276106 3034808 4552212 9104424 470882977 941765954 1412648931 1883531908 2825297862 3296180839 3767063816 5650595724 6592361678 9888542517 11301191448 13184723356 19777085034 26369446712 39554170068 79108340136