Base | Representation |
---|---|
bin | 110001010000… |
… | …010100101010 |
3 | 220021222211001 |
4 | 301100110222 |
5 | 11301140124 |
6 | 1140425214 |
7 | 214515031 |
oct | 61202452 |
9 | 26258731 |
10 | 12911914 |
11 | 7319a04 |
12 | 43a820a |
13 | 28a10b2 |
14 | 1a01718 |
15 | 1200b44 |
hex | c5052a |
12911914 has 8 divisors (see below), whose sum is σ = 19696320. Its totient is φ = 6346476.
The previous prime is 12911909. The next prime is 12911917. The reversal of 12911914 is 41911921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (12911917) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54594 + ... + 54829.
It is an arithmetic number, because the mean of its divisors is an integer number (2462040).
Almost surely, 212911914 is an apocalyptic number.
12911914 is a deficient number, since it is larger than the sum of its proper divisors (6784406).
12911914 is a wasteful number, since it uses less digits than its factorization.
12911914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109484.
The product of its digits is 648, while the sum is 28.
The square root of 12911914 is about 3593.3151823908. The cubic root of 12911914 is about 234.6011886697.
The spelling of 12911914 in words is "twelve million, nine hundred eleven thousand, nine hundred fourteen".
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