Search a number
-
+
12412800005 = 52482560001
BaseRepresentation
bin10111000111101110…
…00100110000000101
31012001001212120111112
423203313010300011
5200410134100010
65411413214405
7616413026204
oct134367046005
935031776445
1012412800005
11529a77a401
1224a5031405
13122a838298
1485a79523b
154c9b11a05
hex2e3dc4c05

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".

Divisors: 1 5 2482560001 12412800005