Base | Representation |
---|---|
bin | 110000101011… |
… | …101100100000 |
3 | 220000101000112 |
4 | 300223230200 |
5 | 11231340023 |
6 | 1133310452 |
7 | 213321446 |
oct | 60535440 |
9 | 26011015 |
10 | 12761888 |
11 | 7227217 |
12 | 4335428 |
13 | 284aa19 |
14 | 19a2b96 |
15 | 11c1478 |
hex | c2bb20 |
12761888 has 24 divisors (see below), whose sum is σ = 25412940. Its totient is φ = 6307840.
The previous prime is 12761887. The next prime is 12761891. The reversal of 12761888 is 88816721.
It can be written as a sum of positive squares in 2 ways, for example, as 12759184 + 2704 = 3572^2 + 52^2 .
It is not an unprimeable number, because it can be changed into a prime (12761887) 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, 608 + ... + 5088.
Almost surely, 212761888 is an apocalyptic number.
It is an amenable number.
12761888 is a deficient number, since it is larger than the sum of its proper divisors (12651052).
12761888 is an equidigital number, since it uses as much as digits as its factorization.
12761888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4580 (or 4572 counting only the distinct ones).
The product of its digits is 43008, while the sum is 41.
The square root of 12761888 is about 3572.3784793888. The cubic root of 12761888 is about 233.6890212409.
The spelling of 12761888 in words is "twelve million, seven hundred sixty-one thousand, eight hundred eighty-eight".
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