Base | Representation |
---|---|
bin | 101110100000… |
… | …110011000001 |
3 | 211221110121011 |
4 | 232200303001 |
5 | 11110133321 |
6 | 1113200521 |
7 | 205431664 |
oct | 56406301 |
9 | 24843534 |
10 | 12192961 |
11 | 6978830 |
12 | 4100141 |
13 | 26aba91 |
14 | 18956db |
15 | 110cae1 |
hex | ba0cc1 |
12192961 has 8 divisors (see below), whose sum is σ = 14084064. Its totient is φ = 10432320.
The previous prime is 12192959. The next prime is 12192977. The reversal of 12192961 is 16929121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12192961 - 21 = 12192959 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12192161) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32415 + ... + 32788.
It is an arithmetic number, because the mean of its divisors is an integer number (1760508).
Almost surely, 212192961 is an apocalyptic number.
12192961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12192961 is a deficient number, since it is larger than the sum of its proper divisors (1891103).
12192961 is a wasteful number, since it uses less digits than its factorization.
12192961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65231.
The product of its digits is 1944, while the sum is 31.
The square root of 12192961 is about 3491.8420640115. The cubic root of 12192961 is about 230.1634691704.
The spelling of 12192961 in words is "twelve million, one hundred ninety-two thousand, nine hundred sixty-one".
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