Search a number
-
+
13223223077 is a prime number
BaseRepresentation
bin11000101000010101…
…00101111100100101
31021010112211022221212
430110022211330211
5204040121114302
610024043321205
7645453353531
oct142412457445
937115738855
1013223223077
11567618a239
122690520205
1313296ca46c
148d6274bc1
15525d47052
hex3142a5f25

13223223077 has 2 divisors, whose sum is σ = 13223223078. Its totient is φ = 13223223076.

The previous prime is 13223223053. The next prime is 13223223163. The reversal of 13223223077 is 77032232231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13160907841 + 62315236 = 114721^2 + 7894^2 .

It is a cyclic number.

It is not a de Polignac number, because 13223223077 - 228 = 12954787621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13223220077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611611538 + 6611611539.

It is an arithmetic number, because the mean of its divisors is an integer number (6611611539).

Almost surely, 213223223077 is an apocalyptic number.

It is an amenable number.

13223223077 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223223077 is an equidigital number, since it uses as much as digits as its factorization.

13223223077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 32.

The spelling of 13223223077 in words is "thirteen billion, two hundred twenty-three million, two hundred twenty-three thousand, seventy-seven".