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12704114260 = 225635205713
BaseRepresentation
bin10111101010011100…
…10110011001010100
31012210101000212112101
423311032112121110
5202004223124020
65500341131444
7626551121665
oct136516263124
935711025471
1012704114260
11542a161092
1225666b9b84
131275cb4796
1488734736c
154e54a700a
hex2f5396654

12704114260 has 12 divisors (see below), whose sum is σ = 26678639988. Its totient is φ = 5081645696.

The previous prime is 12704114237. The next prime is 12704114261. The reversal of 12704114260 is 6241140721.

It can be written as a sum of positive squares in 2 ways, for example, as 8343360964 + 4360753296 = 91342^2 + 66036^2 .

It is a super-2 number, since 2×127041142602 (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 (12704114261) 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, 317602837 + ... + 317602876.

It is an arithmetic number, because the mean of its divisors is an integer number (2223219999).

Almost surely, 212704114260 is an apocalyptic number.

12704114260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12704114260 is an abundant number, since it is smaller than the sum of its proper divisors (13974525728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12704114260 is a wasteful number, since it uses less digits than its factorization.

12704114260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635205722 (or 635205720 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 12704114260 its reverse (6241140721), we get a palindrome (18945254981).

The spelling of 12704114260 in words is "twelve billion, seven hundred four million, one hundred fourteen thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 635205713 1270411426 2540822852 3176028565 6352057130 12704114260