Base | Representation |
---|---|
bin | 110000001000… |
… | …110010111110 |
3 | 212202002221020 |
4 | 300020302332 |
5 | 11212301232 |
6 | 1130245010 |
7 | 212154630 |
oct | 60106276 |
9 | 25662836 |
10 | 12618942 |
11 | 7139886 |
12 | 4286766 |
13 | 27ca93b |
14 | 1966a50 |
15 | 1193e2c |
hex | c08cbe |
12618942 has 32 divisors (see below), whose sum is σ = 29133312. Its totient is φ = 3569184.
The previous prime is 12618937. The next prime is 12618943. The reversal of 12618942 is 24981621.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12618943) 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 15 ways as a sum of consecutive naturals, for example, 2868 + ... + 5784.
It is an arithmetic number, because the mean of its divisors is an integer number (910416).
Almost surely, 212618942 is an apocalyptic number.
12618942 is an abundant number, since it is smaller than the sum of its proper divisors (16514370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12618942 is a wasteful number, since it uses less digits than its factorization.
12618942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3032.
The product of its digits is 6912, while the sum is 33.
The square root of 12618942 is about 3552.3150198145. The cubic root of 12618942 is about 232.8132256512.
The spelling of 12618942 in words is "twelve million, six hundred eighteen thousand, nine hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •