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130250657 is a prime number
BaseRepresentation
bin1111100001101…
…11011110100001
3100002002102022102
413300313132201
5231321010112
620531420145
73141053345
oct760673641
9302072272
10130250657
1167583279
1237754655
1320ca58c4
1413427625
15b67cbc2
hex7c377a1

130250657 has 2 divisors, whose sum is σ = 130250658. Its totient is φ = 130250656.

The previous prime is 130250647. The next prime is 130250683. The reversal of 130250657 is 756052031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88661056 + 41589601 = 9416^2 + 6449^2 .

It is a cyclic number.

It is not a de Polignac number, because 130250657 - 24 = 130250641 is a prime.

It is not a weakly prime, because it can be changed into another prime (130250647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65125328 + 65125329.

It is an arithmetic number, because the mean of its divisors is an integer number (65125329).

Almost surely, 2130250657 is an apocalyptic number.

It is an amenable number.

130250657 is a deficient number, since it is larger than the sum of its proper divisors (1).

130250657 is an equidigital number, since it uses as much as digits as its factorization.

130250657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 130250657 is about 11412.7409941696. The cubic root of 130250657 is about 506.9050768479.

The spelling of 130250657 in words is "one hundred thirty million, two hundred fifty thousand, six hundred fifty-seven".