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12698808710 = 257181411553
BaseRepresentation
bin10111101001110100…
…00111000110000110
31012210000001022200112
423310322013012012
5202001343334320
65500031313022
7626455043630
oct136472070606
935700038615
1012698808710
115427167a35
12256497b772
131274b778c3
14886765a50
154e4ca9ec5
hex2f4e87186

12698808710 has 16 divisors (see below), whose sum is σ = 26123263776. Its totient is φ = 4353877248.

The previous prime is 12698808697. The next prime is 12698808713. The reversal of 12698808710 is 1780889621.

12698808710 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×126988087102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12698808713) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 90705707 + ... + 90705846.

It is an arithmetic number, because the mean of its divisors is an integer number (1632703986).

Almost surely, 212698808710 is an apocalyptic number.

12698808710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12698808710 is an abundant number, since it is smaller than the sum of its proper divisors (13424455066).

12698808710 is a wasteful number, since it uses less digits than its factorization.

12698808710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181411567.

The product of its (nonzero) digits is 387072, while the sum is 50.

The spelling of 12698808710 in words is "twelve billion, six hundred ninety-eight million, eight hundred eight thousand, seven hundred ten".

Divisors: 1 2 5 7 10 14 35 70 181411553 362823106 907057765 1269880871 1814115530 2539761742 6349404355 12698808710