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130551523 is a prime number
BaseRepresentation
bin1111100100000…
…00111011100011
3100002122201000121
413302000323203
5231410122043
620542101111
73143445454
oct762007343
9302581017
10130551523
1167769323
123787a797
132107c82b
14134a512b
15b6dbded
hex7c80ee3

130551523 has 2 divisors, whose sum is σ = 130551524. Its totient is φ = 130551522.

The previous prime is 130551497. The next prime is 130551539. The reversal of 130551523 is 325155031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130551523 is a prime.

It is not a weakly prime, because it can be changed into another prime (130551923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65275761 + 65275762.

It is an arithmetic number, because the mean of its divisors is an integer number (65275762).

Almost surely, 2130551523 is an apocalyptic number.

130551523 is a deficient number, since it is larger than the sum of its proper divisors (1).

130551523 is an equidigital number, since it uses as much as digits as its factorization.

130551523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 130551523 is about 11425.9145367012. The cubic root of 130551523 is about 507.2950767369.

The spelling of 130551523 in words is "one hundred thirty million, five hundred fifty-one thousand, five hundred twenty-three".