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102130241 is a prime number
BaseRepresentation
bin1100001011001…
…10001001000001
321010011202100112
412011212021001
5202121131431
614045001105
72350043543
oct605461101
9233152315
10102130241
1152716a64
122a253195
131820b2c5
14d7c7693
158e75c2b
hex6166241

102130241 has 2 divisors, whose sum is σ = 102130242. Its totient is φ = 102130240.

The previous prime is 102130229. The next prime is 102130243. The reversal of 102130241 is 142031201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66178225 + 35952016 = 8135^2 + 5996^2 .

It is a cyclic number.

It is not a de Polignac number, because 102130241 - 214 = 102113857 is a prime.

It is a super-2 number, since 2×1021302412 = 20861172253436162, which contains 22 as substring.

Together with 102130243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102130243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51065120 + 51065121.

It is an arithmetic number, because the mean of its divisors is an integer number (51065121).

Almost surely, 2102130241 is an apocalyptic number.

It is an amenable number.

102130241 is a deficient number, since it is larger than the sum of its proper divisors (1).

102130241 is an equidigital number, since it uses as much as digits as its factorization.

102130241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 102130241 is about 10105.9507716988. The cubic root of 102130241 is about 467.4316538633.

Adding to 102130241 its reverse (142031201), we get a palindrome (244161442).

The spelling of 102130241 in words is "one hundred two million, one hundred thirty thousand, two hundred forty-one".