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130549717 is a prime number
BaseRepresentation
bin1111100100000…
…00011111010101
3100002122121112201
413302000133111
5231410042332
620542044501
73143440264
oct762003725
9302577481
10130549717
1167767a31
1237879731
132107ba6c
14134a45db
15b6db5e7
hex7c807d5

130549717 has 2 divisors, whose sum is σ = 130549718. Its totient is φ = 130549716.

The previous prime is 130549609. The next prime is 130549721. The reversal of 130549717 is 717945031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111809476 + 18740241 = 10574^2 + 4329^2 .

It is an emirp because it is prime and its reverse (717945031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130549717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130549747) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65274858 + 65274859.

It is an arithmetic number, because the mean of its divisors is an integer number (65274859).

Almost surely, 2130549717 is an apocalyptic number.

It is an amenable number.

130549717 is a deficient number, since it is larger than the sum of its proper divisors (1).

130549717 is an equidigital number, since it uses as much as digits as its factorization.

130549717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 130549717 is about 11425.8355055549. The cubic root of 130549717 is about 507.2927374839.

The spelling of 130549717 in words is "one hundred thirty million, five hundred forty-nine thousand, seven hundred seventeen".