Base | Representation |
---|---|
bin | 101110100000… |
… | …110000100111 |
3 | 211221110101110 |
4 | 232200300213 |
5 | 11110132212 |
6 | 1113200103 |
7 | 205431354 |
oct | 56406047 |
9 | 24843343 |
10 | 12192807 |
11 | 6978700 |
12 | 4100033 |
13 | 26ab9a3 |
14 | 189562b |
15 | 110ca3c |
hex | ba0c27 |
12192807 has 12 divisors (see below), whose sum is σ = 17869880. Its totient is φ = 7389360.
The previous prime is 12192799. The next prime is 12192823. The reversal of 12192807 is 70829121.
It is not a de Polignac number, because 12192807 - 23 = 12192799 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12192857) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16432 + ... + 17157.
Almost surely, 212192807 is an apocalyptic number.
12192807 is a deficient number, since it is larger than the sum of its proper divisors (5677073).
12192807 is a wasteful number, since it uses less digits than its factorization.
12192807 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33614 (or 33603 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 30.
The square root of 12192807 is about 3491.8200125436. The cubic root of 12192807 is about 230.1625001598.
The spelling of 12192807 in words is "twelve million, one hundred ninety-two thousand, eight hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •