Base | Representation |
---|---|
bin | 110000011100… |
… | …110111000011 |
3 | 212220021122222 |
4 | 300130313003 |
5 | 11222413443 |
6 | 1132121255 |
7 | 212646341 |
oct | 60346703 |
9 | 25807588 |
10 | 12701123 |
11 | 71955a6 |
12 | 430622b |
13 | 2829176 |
14 | 1988991 |
15 | 11ad468 |
hex | c1cdc3 |
12701123 has 8 divisors (see below), whose sum is σ = 12980928. Its totient is φ = 12424104.
The previous prime is 12701113. The next prime is 12701131. The reversal of 12701123 is 32110721.
12701123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12701123 - 216 = 12635587 is a prime.
It is a super-2 number, since 2×127011232 = 322637050922258, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12701113) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10340 + ... + 11502.
It is an arithmetic number, because the mean of its divisors is an integer number (1622616).
Almost surely, 212701123 is an apocalyptic number.
12701123 is a deficient number, since it is larger than the sum of its proper divisors (279805).
12701123 is a wasteful number, since it uses less digits than its factorization.
12701123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1393.
The product of its (nonzero) digits is 84, while the sum is 17.
The square root of 12701123 is about 3563.8634934576. The cubic root of 12701123 is about 233.3175320365.
Adding to 12701123 its reverse (32110721), we get a palindrome (44811844).
The spelling of 12701123 in words is "twelve million, seven hundred one thousand, one hundred twenty-three".
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