Base | Representation |
---|---|
bin | 10111000111101110… |
… | …00100110000000101 |
3 | 1012001001212120111112 |
4 | 23203313010300011 |
5 | 200410134100010 |
6 | 5411413214405 |
7 | 616413026204 |
oct | 134367046005 |
9 | 35031776445 |
10 | 12412800005 |
11 | 529a77a401 |
12 | 24a5031405 |
13 | 122a838298 |
14 | 85a79523b |
15 | 4c9b11a05 |
hex | 2e3dc4c05 |
12412800005 has 4 divisors (see below), whose sum is σ = 14895360012. Its totient is φ = 9930240000.
The previous prime is 12412799977. The next prime is 12412800017. The reversal of 12412800005 is 50000821421.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3745562401 + 8667237604 = 61201^2 + 93098^2 .
It is not a de Polignac number, because 12412800005 - 212 = 12412795909 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1241279996 + ... + 1241280005.
It is an arithmetic number, because the mean of its divisors is an integer number (3723840003).
Almost surely, 212412800005 is an apocalyptic number.
It is an amenable number.
12412800005 is a deficient number, since it is larger than the sum of its proper divisors (2482560007).
12412800005 is an equidigital number, since it uses as much as digits as its factorization.
12412800005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2482560006.
The product of its (nonzero) digits is 640, while the sum is 23.
The spelling of 12412800005 in words is "twelve billion, four hundred twelve million, eight hundred thousand, five".
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