Base | Representation |
---|---|
bin | 11000011100010100… |
… | …01100001001100011 |
3 | 1020212112012201221002 |
4 | 30032022030021203 |
5 | 203333322012430 |
6 | 10010043422215 |
7 | 643121006501 |
oct | 141612141143 |
9 | 36775181832 |
10 | 13122454115 |
11 | 5624313001 |
12 | 266282496b |
13 | 1311877964 |
14 | 8c6b23671 |
15 | 51c08e845 |
hex | 30e28c263 |
13122454115 has 4 divisors (see below), whose sum is σ = 15746944944. Its totient is φ = 10497963288.
The previous prime is 13122454091. The next prime is 13122454153. The reversal of 13122454115 is 51145422131.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13122454115 - 222 = 13118259811 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312245407 + ... + 1312245416.
It is an arithmetic number, because the mean of its divisors is an integer number (3936736236).
Almost surely, 213122454115 is an apocalyptic number.
13122454115 is a deficient number, since it is larger than the sum of its proper divisors (2624490829).
13122454115 is an equidigital number, since it uses as much as digits as its factorization.
13122454115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2624490828.
The product of its digits is 4800, while the sum is 29.
Adding to 13122454115 its reverse (51145422131), we get a palindrome (64267876246).
The spelling of 13122454115 in words is "thirteen billion, one hundred twenty-two million, four hundred fifty-four thousand, one hundred fifteen".
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