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130500761 is a prime number
BaseRepresentation
bin1111100011101…
…00100010011001
3100002120010101112
413301310202121
5231402011021
620541030105
73143144456
oct761644231
9302503345
10130500761
1167734176
1237855335
13210626b1
141349082d
15b6cbd5b
hex7c74899

130500761 has 2 divisors, whose sum is σ = 130500762. Its totient is φ = 130500760.

The previous prime is 130500709. The next prime is 130500763. The reversal of 130500761 is 167005031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122235136 + 8265625 = 11056^2 + 2875^2 .

It is a cyclic number.

It is not a de Polignac number, because 130500761 - 26 = 130500697 is a prime.

Together with 130500763, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130500763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65250380 + 65250381.

It is an arithmetic number, because the mean of its divisors is an integer number (65250381).

Almost surely, 2130500761 is an apocalyptic number.

It is an amenable number.

130500761 is a deficient number, since it is larger than the sum of its proper divisors (1).

130500761 is an equidigital number, since it uses as much as digits as its factorization.

130500761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 130500761 is about 11423.6929668124. The cubic root of 130500761 is about 507.2293181500.

Adding to 130500761 its reverse (167005031), we get a palindrome (297505792).

The spelling of 130500761 in words is "one hundred thirty million, five hundred thousand, seven hundred sixty-one".