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79344842697 = 328839984251
BaseRepresentation
bin100100111100101010…
…0100011011111001001
321120210200022122010200
41021321110203133021
52244444234431242
6100241151202413
75506145015001
oct1117124433711
9246720278120
1079344842697
113071710576a
1213464516409
137636496583
143ba9b55001
1520e5c0804c
hex12795237c9

79344842697 has 12 divisors (see below), whose sum is σ = 114739023984. Its totient is φ = 52836651000.

The previous prime is 79344842677. The next prime is 79344842719. The reversal of 79344842697 is 79624844397.

79344842697 is a `hidden beast` number, since 7 + 93 + 4 + 484 + 2 + 69 + 7 = 666.

It is not a de Polignac number, because 79344842697 - 210 = 79344841673 is a prime.

It is a super-2 number, since 2×793448426972 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (79344842617) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4984179 + ... + 5000072.

It is an arithmetic number, because the mean of its divisors is an integer number (9561585332).

Almost surely, 279344842697 is an apocalyptic number.

It is an amenable number.

79344842697 is a deficient number, since it is larger than the sum of its proper divisors (35394181287).

79344842697 is a wasteful number, since it uses less digits than its factorization.

79344842697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9985140 (or 9985137 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 63.

The spelling of 79344842697 in words is "seventy-nine billion, three hundred forty-four million, eight hundred forty-two thousand, six hundred ninety-seven".

Divisors: 1 3 9 883 2649 7947 9984251 29952753 89858259 8816093633 26448280899 79344842697