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130881797 is a prime number
BaseRepresentation
bin1111100110100…
…01100100000101
3100010021111001222
413303101210011
5232001204142
620553130125
73146322404
oct763214405
9303244058
10130881797
1167974482
12379b9945
1321166c67
141354d63b
15b754bd2
hex7cd1905

130881797 has 2 divisors, whose sum is σ = 130881798. Its totient is φ = 130881796.

The previous prime is 130881781. The next prime is 130881811. The reversal of 130881797 is 797188031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125126596 + 5755201 = 11186^2 + 2399^2 .

It is a cyclic number.

It is not a de Polignac number, because 130881797 - 24 = 130881781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130881397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65440898 + 65440899.

It is an arithmetic number, because the mean of its divisors is an integer number (65440899).

Almost surely, 2130881797 is an apocalyptic number.

It is an amenable number.

130881797 is a deficient number, since it is larger than the sum of its proper divisors (1).

130881797 is an equidigital number, since it uses as much as digits as its factorization.

130881797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 44.

The square root of 130881797 is about 11440.3582548800. The cubic root of 130881797 is about 507.7225076859.

The spelling of 130881797 in words is "one hundred thirty million, eight hundred eighty-one thousand, seven hundred ninety-seven".