Search a number
-
+
12550770511 = 19679859207
BaseRepresentation
bin10111011000001010…
…11000111101001111
31012101200111012110021
423230011120331033
5201200444124021
65433222323011
7623006534446
oct135405307517
935350435407
1012550770511
115360645714
122523289467
1312502b4936
14870c2bd5d
154d6cb6c41
hex2ec158f4f

12550770511 has 8 divisors (see below), whose sum is σ = 13408522880. Its totient is φ = 11712736728.

The previous prime is 12550770503. The next prime is 12550770521. The reversal of 12550770511 is 11507705521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12550770511 - 23 = 12550770503 is a prime.

It is a super-2 number, since 2×125507705112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12550770521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4928331 + ... + 4930876.

It is an arithmetic number, because the mean of its divisors is an integer number (1676065360).

Almost surely, 212550770511 is an apocalyptic number.

12550770511 is a deficient number, since it is larger than the sum of its proper divisors (857752369).

12550770511 is an equidigital number, since it uses as much as digits as its factorization.

12550770511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9859293.

The product of its (nonzero) digits is 12250, while the sum is 34.

The spelling of 12550770511 in words is "twelve billion, five hundred fifty million, seven hundred seventy thousand, five hundred eleven".

Divisors: 1 19 67 1273 9859207 187324933 660566869 12550770511