Search a number
-
+
13689538223 is a prime number
BaseRepresentation
bin11001011111111010…
…11100011010101111
31022100001021121002012
430233331130122233
5211014010210343
610142222151435
7663145104104
oct145775343257
938301247065
1013689538223
115895429759
1227a072257b
1313a21ba29a
1493c17caab
15551c59718
hex32ff5c6af

13689538223 has 2 divisors, whose sum is σ = 13689538224. Its totient is φ = 13689538222.

The previous prime is 13689538157. The next prime is 13689538231. The reversal of 13689538223 is 32283598631.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13689538223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13689538273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6844769111 + 6844769112.

It is an arithmetic number, because the mean of its divisors is an integer number (6844769112).

Almost surely, 213689538223 is an apocalyptic number.

13689538223 is a deficient number, since it is larger than the sum of its proper divisors (1).

13689538223 is an equidigital number, since it uses as much as digits as its factorization.

13689538223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 50.

The spelling of 13689538223 in words is "thirteen billion, six hundred eighty-nine million, five hundred thirty-eight thousand, two hundred twenty-three".