Search a number
-
+
236265511151231 is a prime number
BaseRepresentation
bin110101101110000111011001…
…110111010110011001111111
31010222112202120200221100102122
4311232013121313112121333
5221431433231323314411
62154254513305113155
7100523422422044222
oct6556073167263177
91128482520840378
10236265511151231
1169310705685551
12225b9a097887bb
13a1aa9855237a3
14424b4516515b9
151c4ac1c74b9db
hexd6e1d9dd667f

236265511151231 has 2 divisors, whose sum is σ = 236265511151232. Its totient is φ = 236265511151230.

The previous prime is 236265511151149. The next prime is 236265511151249. The reversal of 236265511151231 is 132151115562632.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-236265511151231 is a prime.

It is a super-2 number, since 2×2362655111512312 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (236265501151231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118132755575615 + 118132755575616.

It is an arithmetic number, because the mean of its divisors is an integer number (118132755575616).

Almost surely, 2236265511151231 is an apocalyptic number.

236265511151231 is a deficient number, since it is larger than the sum of its proper divisors (1).

236265511151231 is an equidigital number, since it uses as much as digits as its factorization.

236265511151231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 44.

The spelling of 236265511151231 in words is "two hundred thirty-six trillion, two hundred sixty-five billion, five hundred eleven million, one hundred fifty-one thousand, two hundred thirty-one".