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130944757 is a prime number
BaseRepresentation
bin1111100111000…
…00111011110101
3100010101200102211
413303200323311
5232010213012
620554333421
73150004066
oct763407365
9303350384
10130944757
1167a07809
1237a2a271
1321189808
141356856d
15b7686a7
hex7ce0ef5

130944757 has 2 divisors, whose sum is σ = 130944758. Its totient is φ = 130944756.

The previous prime is 130944707. The next prime is 130944763. The reversal of 130944757 is 757449031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65512836 + 65431921 = 8094^2 + 8089^2 .

It is an emirp because it is prime and its reverse (757449031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130944757 - 27 = 130944629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130944707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65472378 + 65472379.

It is an arithmetic number, because the mean of its divisors is an integer number (65472379).

Almost surely, 2130944757 is an apocalyptic number.

It is an amenable number.

130944757 is a deficient number, since it is larger than the sum of its proper divisors (1).

130944757 is an equidigital number, since it uses as much as digits as its factorization.

130944757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 130944757 is about 11443.1095861221. The cubic root of 130944757 is about 507.8039070489.

The spelling of 130944757 in words is "one hundred thirty million, nine hundred forty-four thousand, seven hundred fifty-seven".