Base | Representation |
---|---|
bin | 110001100011… |
… | …001011100000 |
3 | 220102220202201 |
4 | 301203023200 |
5 | 11311123102 |
6 | 1142222544 |
7 | 215256151 |
oct | 61431340 |
9 | 26386681 |
10 | 12989152 |
11 | 7371a40 |
12 | 4424a54 |
13 | 28ca2b7 |
14 | 1a21928 |
15 | 1218987 |
hex | c632e0 |
12989152 has 24 divisors (see below), whose sum is σ = 27897912. Its totient is φ = 5904000.
The previous prime is 12989149. The next prime is 12989153. The reversal of 12989152 is 25198921.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12989153) 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, 18099 + ... + 18802.
It is an arithmetic number, because the mean of its divisors is an integer number (1162413).
Almost surely, 212989152 is an apocalyptic number.
It is an amenable number.
12989152 is an abundant number, since it is smaller than the sum of its proper divisors (14908760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12989152 is a wasteful number, since it uses less digits than its factorization.
12989152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36922 (or 36914 counting only the distinct ones).
The product of its digits is 12960, while the sum is 37.
The square root of 12989152 is about 3604.0466145709. The cubic root of 12989152 is about 235.0680472928.
The spelling of 12989152 in words is "twelve million, nine hundred eighty-nine thousand, one hundred fifty-two".
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