Base | Representation |
---|---|
bin | 110001011110… |
… | …001101000010 |
3 | 220101212210211 |
4 | 301132031002 |
5 | 11310000040 |
6 | 1141544334 |
7 | 215142553 |
oct | 61361502 |
9 | 26355724 |
10 | 12968770 |
11 | 73586a1 |
12 | 44150aa |
13 | 28c0c39 |
14 | 1a1832a |
15 | 12128ea |
hex | c5e342 |
12968770 has 8 divisors (see below), whose sum is σ = 23343804. Its totient is φ = 5187504.
The previous prime is 12968749. The next prime is 12968777. The reversal of 12968770 is 7786921.
It can be written as a sum of positive squares in 2 ways, for example, as 11648569 + 1320201 = 3413^2 + 1149^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (12968777) 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 3 ways as a sum of consecutive naturals, for example, 648429 + ... + 648448.
Almost surely, 212968770 is an apocalyptic number.
12968770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12968770 is a deficient number, since it is larger than the sum of its proper divisors (10375034).
12968770 is a wasteful number, since it uses less digits than its factorization.
12968770 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1296884.
The product of its (nonzero) digits is 42336, while the sum is 40.
The square root of 12968770 is about 3601.2178495615. The cubic root of 12968770 is about 234.9450301487.
The spelling of 12968770 in words is "twelve million, nine hundred sixty-eight thousand, seven hundred seventy".
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