Search a number
-
+
12550152513 = 3139130723027
BaseRepresentation
bin10111011000000110…
…00010000101000001
31012101122022210201110
423230003002011001
5201200314340023
65433201153533
7623001351633
oct135403020501
935348283643
1012550152513
115360263378
12252302b8a9
131250129562
14870b0aa53
154d6be3a93
hex2ec0c2141

12550152513 has 16 divisors (see below), whose sum is σ = 16867549440. Its totient is φ = 8299859856.

The previous prime is 12550152509. The next prime is 12550152529. The reversal of 12550152513 is 31525105521.

It is not a de Polignac number, because 12550152513 - 22 = 12550152509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12550152533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533506 + ... + 556532.

It is an arithmetic number, because the mean of its divisors is an integer number (1054221840).

Almost surely, 212550152513 is an apocalyptic number.

It is an amenable number.

12550152513 is a deficient number, since it is larger than the sum of its proper divisors (4317396927).

12550152513 is a wasteful number, since it uses less digits than its factorization.

12550152513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24476.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 12550152513 in words is "twelve billion, five hundred fifty million, one hundred fifty-two thousand, five hundred thirteen".

Divisors: 1 3 139 417 1307 3921 23027 69081 181673 545019 3200753 9602259 30096289 90288867 4183384171 12550152513