Base | Representation |
---|---|
bin | 11001001010110000… |
… | …01111000100010111 |
3 | 1021212200020022221221 |
4 | 30211120033010113 |
5 | 210133033341210 |
6 | 10112441151211 |
7 | 655561131103 |
oct | 144530170427 |
9 | 37780208857 |
10 | 13512012055 |
11 | 58041a6713 |
12 | 275118b507 |
13 | 13744a1409 |
14 | 92276a903 |
15 | 54138e1da |
hex | 32560f117 |
13512012055 has 16 divisors (see below), whose sum is σ = 17376675264. Its totient is φ = 10060174080.
The previous prime is 13512012023. The next prime is 13512012071. The reversal of 13512012055 is 55021021531.
It is not a de Polignac number, because 13512012055 - 25 = 13512012023 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583526 + ... + 1592035.
It is an arithmetic number, because the mean of its divisors is an integer number (1086042204).
Almost surely, 213512012055 is an apocalyptic number.
13512012055 is a deficient number, since it is larger than the sum of its proper divisors (3864663209).
13512012055 is a wasteful number, since it uses less digits than its factorization.
13512012055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3175626.
The product of its (nonzero) digits is 1500, while the sum is 25.
Adding to 13512012055 its reverse (55021021531), we get a palindrome (68533033586).
The spelling of 13512012055 in words is "thirteen billion, five hundred twelve million, twelve thousand, fifty-five".
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