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79796669797 = 1334946337987
BaseRepresentation
bin100101001010001000…
…0001000110101100101
321121222011111211101201
41022110100020311211
52301410421413142
6100354051322501
75523302334115
oct1122420106545
9247864454351
1079796669797
113092915a099
121356b8b0431
1376a8c82aa0
143c0db6b045
152120707ab7
hex1294408d65

79796669797 has 16 divisors (see below), whose sum is σ = 86369516800. Its totient is φ = 73286845632.

The previous prime is 79796669753. The next prime is 79796669807.

79796669797 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 79796669797 - 215 = 79796637029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79796669797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79796669707) 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, 2081638 + ... + 2119624.

It is an arithmetic number, because the mean of its divisors is an integer number (5398094800).

Almost surely, 279796669797 is an apocalyptic number.

It is an amenable number.

79796669797 is a deficient number, since it is larger than the sum of its proper divisors (6572847003).

79796669797 is a wasteful number, since it uses less digits than its factorization.

79796669797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38812.

The product of its digits is 3402639576, while the sum is 82.

The spelling of 79796669797 in words is "seventy-nine billion, seven hundred ninety-six million, six hundred sixty-nine thousand, seven hundred ninety-seven".

Divisors: 1 13 349 463 4537 6019 37987 161587 493831 2100631 13257463 17587981 172347019 228643753 6138205369 79796669797