Search a number
-
+
115151243 is a prime number
BaseRepresentation
bin1101101110100…
…01000110001011
322000200021210212
412313101012023
5213434314433
615232031335
72565524624
oct667210613
9260607725
10115151243
1159aaa919
123269254b
131ab19c3c
1411416a4b
15a198d48
hex6dd118b

115151243 has 2 divisors, whose sum is σ = 115151244. Its totient is φ = 115151242.

The previous prime is 115151233. The next prime is 115151249. The reversal of 115151243 is 342151511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115151243 - 224 = 98374027 is a prime.

It is not a weakly prime, because it can be changed into another prime (115151249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57575621 + 57575622.

It is an arithmetic number, because the mean of its divisors is an integer number (57575622).

Almost surely, 2115151243 is an apocalyptic number.

115151243 is a deficient number, since it is larger than the sum of its proper divisors (1).

115151243 is an equidigital number, since it uses as much as digits as its factorization.

115151243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 600, while the sum is 23.

The square root of 115151243 is about 10730.8547189867. The cubic root of 115151243 is about 486.5075041437.

The spelling of 115151243 in words is "one hundred fifteen million, one hundred fifty-one thousand, two hundred forty-three".