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12977148395 = 59726757007
BaseRepresentation
bin11000001010111111…
…11001000111101011
31020111101210102221202
430011133321013223
5203034122222040
65543413154415
7636404640611
oct140537710753
936441712852
1012977148395
11555a297732
12262202ba0b
1312ba730643
148b16db6b1
1550e43b015
hex3057f91eb

12977148395 has 8 divisors (see below), whose sum is σ = 15733120704. Its totient is φ = 10274690304.

The previous prime is 12977148367. The next prime is 12977148439. The reversal of 12977148395 is 59384177921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12977148395 - 28 = 12977148139 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 12977148395.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13378019 + ... + 13378988.

It is an arithmetic number, because the mean of its divisors is an integer number (1966640088).

Almost surely, 212977148395 is an apocalyptic number.

12977148395 is a deficient number, since it is larger than the sum of its proper divisors (2755972309).

12977148395 is an equidigital number, since it uses as much as digits as its factorization.

12977148395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26757109.

The product of its digits is 3810240, while the sum is 56.

The spelling of 12977148395 in words is "twelve billion, nine hundred seventy-seven million, one hundred forty-eight thousand, three hundred ninety-five".

Divisors: 1 5 97 485 26757007 133785035 2595429679 12977148395