Search a number
-
+
12465232152005 = 52493046430401
BaseRepresentation
bin1011010101100100100110…
…1111000000010111000101
31122010122221110110010210002
42311121021233000113011
53113212243412331010
642302240521411045
72424404034033503
oct265311157002705
948118843403702
1012465232152005
113a76525644526
121493a19039a85
136c560a74a629
1431146b487673
151693b157e1a5
hexb5649bc05c5

12465232152005 has 4 divisors (see below), whose sum is σ = 14958278582412. Its totient is φ = 9972185721600.

The previous prime is 12465232151987. The next prime is 12465232152011. The reversal of 12465232152005 is 50025123256421.

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 9518101160164 + 2947130991841 = 3085142^2 + 1716721^2 .

It is not a de Polignac number, because 12465232152005 - 26 = 12465232151941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12465232152005.

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, 1246523215196 + ... + 1246523215205.

It is an arithmetic number, because the mean of its divisors is an integer number (3739569645603).

Almost surely, 212465232152005 is an apocalyptic number.

It is an amenable number.

12465232152005 is a deficient number, since it is larger than the sum of its proper divisors (2493046430407).

12465232152005 is an equidigital number, since it uses as much as digits as its factorization.

12465232152005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493046430406.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 12465232152005 in words is "twelve trillion, four hundred sixty-five billion, two hundred thirty-two million, one hundred fifty-two thousand, five".

Divisors: 1 5 2493046430401 12465232152005