Search a number
-
+
13112023222013 = 21491610116943
BaseRepresentation
bin1011111011001110000101…
…1111001000011011111101
31201102111102102221211111012
42332303201133020123331
53204311410421101023
643515325203005005
72522212105312322
oct276634137103375
951374372854435
1013112023222013
1141a5861308511
121579246069765
137415c63a04c1
143348a7bcab49
1517b1191cc978
hexbece17c86fd

13112023222013 has 4 divisors (see below), whose sum is σ = 13112633360448. Its totient is φ = 13111413083580.

The previous prime is 13112023222009. The next prime is 13112023222073. The reversal of 13112023222013 is 31022232021131.

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 13112023222013 - 22 = 13112023222009 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 13112023222013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112023222073) 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, 305036981 + ... + 305079962.

It is an arithmetic number, because the mean of its divisors is an integer number (3278158340112).

Almost surely, 213112023222013 is an apocalyptic number.

It is an amenable number.

13112023222013 is a deficient number, since it is larger than the sum of its proper divisors (610138435).

13112023222013 is an equidigital number, since it uses as much as digits as its factorization.

13112023222013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610138434.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13112023222013 its reverse (31022232021131), we get a palindrome (44134255243144).

The spelling of 13112023222013 in words is "thirteen trillion, one hundred twelve billion, twenty-three million, two hundred twenty-two thousand, thirteen".

Divisors: 1 21491 610116943 13112023222013