Search a number
-
+
11213032279 is a prime number
BaseRepresentation
bin10100111000101100…
…10100101101010111
31001221110022001120211
422130112110231113
5140431014013104
65052354110251
7544604126131
oct123426245527
931843261524
1011213032279
114834512129
12220b27b387
1310990c5757
147852c6051
1545961ee04
hex29c594b57

11213032279 has 2 divisors, whose sum is σ = 11213032280. Its totient is φ = 11213032278.

The previous prime is 11213032277. The next prime is 11213032307. The reversal of 11213032279 is 97223031211.

It is a weak prime.

It is an emirp because it is prime and its reverse (97223031211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11213032279 - 21 = 11213032277 is a prime.

Together with 11213032277, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11213032279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11213032277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606516139 + 5606516140.

It is an arithmetic number, because the mean of its divisors is an integer number (5606516140).

Almost surely, 211213032279 is an apocalyptic number.

11213032279 is a deficient number, since it is larger than the sum of its proper divisors (1).

11213032279 is an equidigital number, since it uses as much as digits as its factorization.

11213032279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 11213032279 in words is "eleven billion, two hundred thirteen million, thirty-two thousand, two hundred seventy-nine".