Search a number
-
+
13574774209 is a prime number
BaseRepresentation
bin11001010010001111…
…01001110111000001
31022001001022222110011
430221013221313001
5210300120233314
610123002304521
7660252451123
oct145107516701
938031288404
1013574774209
115836673867
12276a1b8141
1313844a7699
1492ac27213
15546b3a4c4
hex3291e9dc1

13574774209 has 2 divisors, whose sum is σ = 13574774210. Its totient is φ = 13574774208.

The previous prime is 13574774207. The next prime is 13574774231. The reversal of 13574774209 is 90247747531.

13574774209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13479906609 + 94867600 = 116103^2 + 9740^2 .

It is a cyclic number.

It is not a de Polignac number, because 13574774209 - 21 = 13574774207 is a prime.

Together with 13574774207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13574774207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6787387104 + 6787387105.

It is an arithmetic number, because the mean of its divisors is an integer number (6787387105).

Almost surely, 213574774209 is an apocalyptic number.

It is an amenable number.

13574774209 is a deficient number, since it is larger than the sum of its proper divisors (1).

13574774209 is an equidigital number, since it uses as much as digits as its factorization.

13574774209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 13574774209 in words is "thirteen billion, five hundred seventy-four million, seven hundred seventy-four thousand, two hundred nine".