Search a number
-
+
13995168389 is a prime number
BaseRepresentation
bin11010000100010110…
…10101001010000101
31100010100101012211222
431002023111022011
5212130230342024
610232421010125
71003545653126
oct150213251205
940110335758
1013995168389
115a319a9174
122866b53945
131420609937
1496a9ba04d
1556d9cb85e
hex3422d5285

13995168389 has 2 divisors, whose sum is σ = 13995168390. Its totient is φ = 13995168388.

The previous prime is 13995168367. The next prime is 13995168433. The reversal of 13995168389 is 98386159931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13439764900 + 555403489 = 115930^2 + 23567^2 .

It is a cyclic number.

It is not a de Polignac number, because 13995168389 - 224 = 13978391173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13995168359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6997584194 + 6997584195.

It is an arithmetic number, because the mean of its divisors is an integer number (6997584195).

Almost surely, 213995168389 is an apocalyptic number.

It is an amenable number.

13995168389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13995168389 is an equidigital number, since it uses as much as digits as its factorization.

13995168389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12597120, while the sum is 62.

The spelling of 13995168389 in words is "thirteen billion, nine hundred ninety-five million, one hundred sixty-eight thousand, three hundred eighty-nine".