Search a number
-
+
13375513879213 = 47512815304963
BaseRepresentation
bin1100001010100011101011…
…0000001110001010101101
31202100200112120010002012211
43002220322300032022231
53223121023023113323
644240343134130421
72550230463042223
oct302507260161255
952320476102184
1013375513879213
114297583982132
121600320650a11
137603c8394795
143435421aab13
15182ddb56870d
hexc2a3ac0e2ad

13375513879213 has 4 divisors (see below), whose sum is σ = 13378329188928. Its totient is φ = 13372698569500.

The previous prime is 13375513879157. The next prime is 13375513879219. The reversal of 13375513879213 is 31297831557331.

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 a de Polignac number, because none of the positive numbers 2k-13375513879213 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13375513879219) 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, 1407647731 + ... + 1407657232.

It is an arithmetic number, because the mean of its divisors is an integer number (3344582297232).

Almost surely, 213375513879213 is an apocalyptic number.

It is an amenable number.

13375513879213 is a deficient number, since it is larger than the sum of its proper divisors (2815309715).

13375513879213 is an equidigital number, since it uses as much as digits as its factorization.

13375513879213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815309714.

The product of its digits is 14288400, while the sum is 58.

The spelling of 13375513879213 in words is "thirteen trillion, three hundred seventy-five billion, five hundred thirteen million, eight hundred seventy-nine thousand, two hundred thirteen".

Divisors: 1 4751 2815304963 13375513879213