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12799419559 = 19673653661
BaseRepresentation
bin10111110101110011…
…11010010010100111
31020001000100212211021
423322321322102213
5202203122411214
65514023552011
7632116162003
oct137271722247
936030325737
1012799419559
115478a363a3
1225925bb607
13128c973454
14895c75703
154eda30924
hex2fae7a4a7

12799419559 has 4 divisors (see below), whose sum is σ = 13473073240. Its totient is φ = 12125765880.

The previous prime is 12799419553. The next prime is 12799419601. The reversal of 12799419559 is 95591499721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12799419559 - 219 = 12798895271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12799419497 and 12799419506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12799419553) 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, 336826812 + ... + 336826849.

It is an arithmetic number, because the mean of its divisors is an integer number (3368268310).

Almost surely, 212799419559 is an apocalyptic number.

12799419559 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12799419559 is a deficient number, since it is larger than the sum of its proper divisors (673653681).

12799419559 is an equidigital number, since it uses as much as digits as its factorization.

12799419559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673653680.

The product of its digits is 9185400, while the sum is 61.

The spelling of 12799419559 in words is "twelve billion, seven hundred ninety-nine million, four hundred nineteen thousand, five hundred fifty-nine".

Divisors: 1 19 673653661 12799419559