Search a number
-
+
235025203181 is a prime number
BaseRepresentation
bin1101101011100010010…
…1111111111111101101
3211110122022101100200212
43122320211333333231
512322312423000211
6255545153432205
722660100156666
oct3327045777755
9743568340625
10235025203181
119074566680a
123967156b665
1319216828682
14b537aac36d
1561a833238b
hex36b897ffed

235025203181 has 2 divisors, whose sum is σ = 235025203182. Its totient is φ = 235025203180.

The previous prime is 235025203123. The next prime is 235025203187. The reversal of 235025203181 is 181302520532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199504262281 + 35520940900 = 446659^2 + 188470^2 .

It is a cyclic number.

It is not a de Polignac number, because 235025203181 - 214 = 235025186797 is a prime.

It is a super-2 number, since 2×2350252031812 (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235025203187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117512601590 + 117512601591.

It is an arithmetic number, because the mean of its divisors is an integer number (117512601591).

Almost surely, 2235025203181 is an apocalyptic number.

It is an amenable number.

235025203181 is a deficient number, since it is larger than the sum of its proper divisors (1).

235025203181 is an equidigital number, since it uses as much as digits as its factorization.

235025203181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 235025203181 in words is "two hundred thirty-five billion, twenty-five million, two hundred three thousand, one hundred eighty-one".