Base | Representation |
---|---|
bin | 10111101011011101… |
… | …10111001001111111 |
3 | 1012210222001212121110 |
4 | 23311232313021333 |
5 | 202013413341210 |
6 | 5501243533103 |
7 | 630013426536 |
oct | 136556671177 |
9 | 35728055543 |
10 | 12712637055 |
11 | 5433a52418 |
12 | 256952a193 |
13 | 12779a9b61 |
14 | 88852531d |
15 | 4e60dc420 |
hex | 2f5bb727f |
12712637055 has 32 divisors (see below), whose sum is σ = 21082368960. Its totient is φ = 6533596160.
The previous prime is 12712636991. The next prime is 12712637129. The reversal of 12712637055 is 55073621721.
It is a happy number.
It is not a de Polignac number, because 12712637055 - 26 = 12712636991 is a prime.
It is a super-2 number, since 2×127126370552 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198589 + ... + 254681.
It is an arithmetic number, because the mean of its divisors is an integer number (658824030).
Almost surely, 212712637055 is an apocalyptic number.
12712637055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12712637055 is a deficient number, since it is larger than the sum of its proper divisors (8369731905).
12712637055 is a wasteful number, since it uses less digits than its factorization.
12712637055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56651.
The product of its (nonzero) digits is 88200, while the sum is 39.
The spelling of 12712637055 in words is "twelve billion, seven hundred twelve million, six hundred thirty-seven thousand, fifty-five".
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