Search a number
-
+
12313230001 = 30194078579
BaseRepresentation
bin10110111011110110…
…01111101010110001
31011210010111220010121
423131323033222301
5200204141330001
65353455130241
7614063504512
oct133573175261
934703456117
1012313230001
115249551a46
122477813981
131213015417
1484b476a09
154c0ee46a1
hex2ddecfab1

12313230001 has 4 divisors (see below), whose sum is σ = 12317311600. Its totient is φ = 12309148404.

The previous prime is 12313229993. The next prime is 12313230047. The reversal of 12313230001 is 10003231321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12313230001 - 23 = 12313229993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12313230301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2036271 + ... + 2042308.

It is an arithmetic number, because the mean of its divisors is an integer number (3079327900).

Almost surely, 212313230001 is an apocalyptic number.

It is an amenable number.

12313230001 is a deficient number, since it is larger than the sum of its proper divisors (4081599).

12313230001 is an equidigital number, since it uses as much as digits as its factorization.

12313230001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081598.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12313230001 its reverse (10003231321), we get a palindrome (22316461322).

The spelling of 12313230001 in words is "twelve billion, three hundred thirteen million, two hundred thirty thousand, one".

Divisors: 1 3019 4078579 12313230001