Base | Representation |
---|---|
bin | 11000100111010110… |
… | …10100100101101010 |
3 | 1021002222101212000102 |
4 | 30103223110211222 |
5 | 204031021304024 |
6 | 10023151505402 |
7 | 645323602115 |
oct | 142353244552 |
9 | 37088355012 |
10 | 13215025514 |
11 | 56715a0299 |
12 | 2689828262 |
13 | 1327aba132 |
14 | 8d513d57c |
15 | 5252781ae |
hex | 313ad496a |
13215025514 has 32 divisors (see below), whose sum is σ = 21165883200. Its totient is φ = 6166414080.
The previous prime is 13215025511. The next prime is 13215025519. The reversal of 13215025514 is 41552051231.
13215025514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13215025511) 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 15 ways as a sum of consecutive naturals, for example, 5948924 + ... + 5951144.
It is an arithmetic number, because the mean of its divisors is an integer number (661433850).
Almost surely, 213215025514 is an apocalyptic number.
13215025514 is a deficient number, since it is larger than the sum of its proper divisors (7950857686).
13215025514 is a wasteful number, since it uses less digits than its factorization.
13215025514 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3638.
The product of its (nonzero) digits is 6000, while the sum is 29.
Adding to 13215025514 its reverse (41552051231), we get a palindrome (54767076745).
The spelling of 13215025514 in words is "thirteen billion, two hundred fifteen million, twenty-five thousand, five hundred fourteen".
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