Base | Representation |
---|---|
bin | 10111100101101101… |
… | …11001011101110111 |
3 | 1012200121022210022011 |
4 | 23302312321131313 |
5 | 201414042141043 |
6 | 5452402145051 |
7 | 625556504014 |
oct | 136266713567 |
9 | 35617283264 |
10 | 12664412023 |
11 | 540980421a |
12 | 2555352187 |
13 | 126a9c3633 |
14 | 881d7070b |
15 | 4e1c6359d |
hex | 2f2db9777 |
12664412023 has 8 divisors (see below), whose sum is σ = 12713902992. Its totient is φ = 12614948736.
The previous prime is 12664412011. The next prime is 12664412029. The reversal of 12664412023 is 32021446621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12664412023 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12664412029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1729536 + ... + 1736842.
It is an arithmetic number, because the mean of its divisors is an integer number (1589237874).
Almost surely, 212664412023 is an apocalyptic number.
12664412023 is a deficient number, since it is larger than the sum of its proper divisors (49490969).
12664412023 is an equidigital number, since it uses as much as digits as its factorization.
12664412023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13841.
The product of its (nonzero) digits is 13824, while the sum is 31.
Adding to 12664412023 its reverse (32021446621), we get a palindrome (44685858644).
The spelling of 12664412023 in words is "twelve billion, six hundred sixty-four million, four hundred twelve thousand, twenty-three".
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