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79345744896 = 2103112419743
BaseRepresentation
bin100100111100101011…
…1111111110000000000
321120210202000110201110
41021321113333300000
52300000002314041
6100241222403320
75506155463215
oct1117127776000
9246722013643
1079345744896
1130717671590
1213464890540
137636721112
143ba9d0bb0c
1520e5d35516
hex12795ffc00

79345744896 has 176 divisors, whose sum is σ = 231692364288. Its totient is φ = 23941939200.

The previous prime is 79345744871. The next prime is 79345744897. The reversal of 79345744896 is 69844754397.

It is a tau number, because it is divible by the number of its divisors (176).

It is a super-2 number, since 2×793457448962 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79345744897) 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 15 ways as a sum of consecutive naturals, for example, 8139001 + ... + 8148743.

It is an arithmetic number, because the mean of its divisors is an integer number (1316433888).

Almost surely, 279345744896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79345744896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115846182144).

79345744896 is an abundant number, since it is smaller than the sum of its proper divisors (152346619392).

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

79345744896 is a wasteful number, since it uses less digits than its factorization.

79345744896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10018 (or 10000 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 66.

The spelling of 79345744896 in words is "seventy-nine billion, three hundred forty-five million, seven hundred forty-four thousand, eight hundred ninety-six".