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130842757 is a prime number
BaseRepresentation
bin1111100110010…
…00000010000101
3100010012111112001
413303020002011
5231443432012
620552225301
73146100523
oct763100205
9303174461
10130842757
1167948111
123799b231
1321152266
141353d313
15b748357
hex7cc8085

130842757 has 2 divisors, whose sum is σ = 130842758. Its totient is φ = 130842756.

The previous prime is 130842739. The next prime is 130842787. The reversal of 130842757 is 757248031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85266756 + 45576001 = 9234^2 + 6751^2 .

It is a cyclic number.

It is not a de Polignac number, because 130842757 - 219 = 130318469 is a prime.

It is a super-2 number, since 2×1308427572 = 34239654118722098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130842737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65421378 + 65421379.

It is an arithmetic number, because the mean of its divisors is an integer number (65421379).

Almost surely, 2130842757 is an apocalyptic number.

It is an amenable number.

130842757 is a deficient number, since it is larger than the sum of its proper divisors (1).

130842757 is an equidigital number, since it uses as much as digits as its factorization.

130842757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 130842757 is about 11438.6518873511. The cubic root of 130842757 is about 507.6720207623.

The spelling of 130842757 in words is "one hundred thirty million, eight hundred forty-two thousand, seven hundred fifty-seven".