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79379999999997 = 326459999999999
BaseRepresentation
bin10010000011001000011000…
…101100111100011111111101
3101102001122122200110200212220
4102003020120230330133331
540401030214444444442
6440454400224515553
722502005254065364
oct2203103054743775
9342048580420786
1079379999999997
1123324961627624
128aa046147bbb9
13353a66a82a0a8
1415860264287db
15929cc8d4eeec
hex483218b3c7fd

79379999999997 has 4 divisors (see below), whose sum is σ = 105840000000000. Its totient is φ = 52919999999996.

The previous prime is 79379999999977. The next prime is 79379999999999. The reversal of 79379999999997 is 79999999997397.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79379999999997 - 26 = 79379999999933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79379999999999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13229999999997 + ... + 13230000000002.

It is an arithmetic number, because the mean of its divisors is an integer number (26460000000000).

Almost surely, 279379999999997 is an apocalyptic number.

It is an amenable number.

79379999999997 is a deficient number, since it is larger than the sum of its proper divisors (26460000000003).

79379999999997 is a wasteful number, since it uses less digits than its factorization.

79379999999997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26460000000002.

The product of its digits is 3587901148629, while the sum is 114.

The spelling of 79379999999997 in words is "seventy-nine trillion, three hundred seventy-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-seven".

Divisors: 1 3 26459999999999 79379999999997