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79772792975 = 523190911719
BaseRepresentation
bin100101001001011010…
…1000011100010001111
321121220111120202112222
41022102311003202033
52301333313333400
6100351435445555
75522562360311
oct1122265034217
9247814522488
1079772792975
1130916731087
12135638b68bb
1376a4042ba5
143c0a9137b1
15211d58d185
hex1292d4388f

79772792975 has 6 divisors (see below), whose sum is σ = 98918263320. Its totient is φ = 63818234360.

The previous prime is 79772792963. The next prime is 79772793053. The reversal of 79772792975 is 57929727797.

It is not a de Polignac number, because 79772792975 - 24 = 79772792959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79772792899 and 79772792908.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1595455835 + ... + 1595455884.

It is an arithmetic number, because the mean of its divisors is an integer number (16486377220).

Almost surely, 279772792975 is an apocalyptic number.

79772792975 is a deficient number, since it is larger than the sum of its proper divisors (19145470345).

79772792975 is a wasteful number, since it uses less digits than its factorization.

79772792975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190911729 (or 3190911724 counting only the distinct ones).

The product of its digits is 245046060, while the sum is 71.

The spelling of 79772792975 in words is "seventy-nine billion, seven hundred seventy-two million, seven hundred ninety-two thousand, nine hundred seventy-five".

Divisors: 1 5 25 3190911719 15954558595 79772792975