Base | Representation |
---|---|
bin | 11001001011001000… |
… | …00100001011111110 |
3 | 1021212220001212221200 |
4 | 30211210010023332 |
5 | 210134332110324 |
6 | 10113031440330 |
7 | 655626365301 |
oct | 144544041376 |
9 | 37786055850 |
10 | 13515113214 |
11 | 5805a24659 |
12 | 27522260a6 |
13 | 1375018b15 |
14 | 922d36b38 |
15 | 5417a2ec9 |
hex | 3259042fe |
13515113214 has 48 divisors (see below), whose sum is σ = 31541612544. Its totient is φ = 4170157200.
The previous prime is 13515113189. The next prime is 13515113233. The reversal of 13515113214 is 41231151531.
13515113214 is a `hidden beast` number, since 1 + 3 + 515 + 1 + 132 + 14 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 513702 + ... + 539369.
It is an arithmetic number, because the mean of its divisors is an integer number (657116928).
Almost surely, 213515113214 is an apocalyptic number.
13515113214 is an abundant number, since it is smaller than the sum of its proper divisors (18026499330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13515113214 is a wasteful number, since it uses less digits than its factorization.
13515113214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1053133 (or 1053130 counting only the distinct ones).
The product of its digits is 1800, while the sum is 27.
Adding to 13515113214 its reverse (41231151531), we get a palindrome (54746264745).
The spelling of 13515113214 in words is "thirteen billion, five hundred fifteen million, one hundred thirteen thousand, two hundred fourteen".
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