Base | Representation |
---|---|
bin | 110001011000… |
… | …011010001100 |
3 | 220100200020210 |
4 | 301120122030 |
5 | 11303220121 |
6 | 1141242420 |
7 | 215013426 |
oct | 61303214 |
9 | 26320223 |
10 | 12945036 |
11 | 7341885 |
12 | 4403410 |
13 | 28b31b0 |
14 | 1a0d816 |
15 | 120a876 |
hex | c5868c |
12945036 has 24 divisors (see below), whose sum is σ = 32528944. Its totient is φ = 3983040.
The previous prime is 12945029. The next prime is 12945043. The reversal of 12945036 is 63054921.
It is an interprime number because it is at equal distance from previous prime (12945029) and next prime (12945043).
It is an alternating number because its digits alternate between odd and even.
It is a junction number, because it is equal to n+sod(n) for n = 12944994 and 12945012.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41335 + ... + 41646.
Almost surely, 212945036 is an apocalyptic number.
It is an amenable number.
12945036 is an abundant number, since it is smaller than the sum of its proper divisors (19583908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12945036 is a wasteful number, since it uses less digits than its factorization.
12945036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83001 (or 82999 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 12945036 is about 3597.9210663938. The cubic root of 12945036 is about 234.8016192098.
Adding to 12945036 its reverse (63054921), we get a palindrome (75999957).
The spelling of 12945036 in words is "twelve million, nine hundred forty-five thousand, thirty-six".
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