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102130451 is a prime number
BaseRepresentation
bin1100001011001…
…10001100010011
321010011202122022
412011212030103
5202121133301
614045002055
72350044263
oct605461423
9233152568
10102130451
1152717135
122a25332b
131820b427
14d7c77a3
158e75d1b
hex6166313

102130451 has 2 divisors, whose sum is σ = 102130452. Its totient is φ = 102130450.

The previous prime is 102130403. The next prime is 102130459. The reversal of 102130451 is 154031201.

It is a strong prime.

It is an emirp because it is prime and its reverse (154031201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102130451 - 26 = 102130387 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102130459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51065225 + 51065226.

It is an arithmetic number, because the mean of its divisors is an integer number (51065226).

Almost surely, 2102130451 is an apocalyptic number.

102130451 is a deficient number, since it is larger than the sum of its proper divisors (1).

102130451 is an equidigital number, since it uses as much as digits as its factorization.

102130451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 102130451 is about 10105.9611616115. The cubic root of 102130451 is about 467.4319742404.

Adding to 102130451 its reverse (154031201), we get a palindrome (256161652).

The spelling of 102130451 in words is "one hundred two million, one hundred thirty thousand, four hundred fifty-one".