Search a number
-
+
13021122133 = 21859595687
BaseRepresentation
bin11000010000001111…
…01000111001010101
31020121110112112120201
430020013220321111
5203131401402013
65552023500501
7640450466125
oct141007507125
936543475521
1013021122133
1155820a1868
1226348b7731
1312c6888ac6
148b74a6c85
155132253dd
hex3081e8e55

13021122133 has 4 divisors (see below), whose sum is σ = 13021739680. Its totient is φ = 13020504588.

The previous prime is 13021122131. The next prime is 13021122157. The reversal of 13021122133 is 33122112031.

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 13021122133 - 21 = 13021122131 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 13021122133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021122131) 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, 275985 + ... + 319702.

It is an arithmetic number, because the mean of its divisors is an integer number (3255434920).

Almost surely, 213021122133 is an apocalyptic number.

It is an amenable number.

13021122133 is a deficient number, since it is larger than the sum of its proper divisors (617547).

13021122133 is an equidigital number, since it uses as much as digits as its factorization.

13021122133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617546.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13021122133 its reverse (33122112031), we get a palindrome (46143234164).

The spelling of 13021122133 in words is "thirteen billion, twenty-one million, one hundred twenty-two thousand, one hundred thirty-three".

Divisors: 1 21859 595687 13021122133