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130551709 is a prime number
BaseRepresentation
bin1111100100000…
…00111110011101
3100002122201021111
413302000332131
5231410123314
620542102021
73143446141
oct762007635
9302581244
10130551709
1167769482
123787a911
132107c942
14134a5221
15b6dbec4
hex7c80f9d

130551709 has 2 divisors, whose sum is σ = 130551710. Its totient is φ = 130551708.

The previous prime is 130551677. The next prime is 130551713. The reversal of 130551709 is 907155031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130188100 + 363609 = 11410^2 + 603^2 .

It is a cyclic number.

It is not a de Polignac number, because 130551709 - 25 = 130551677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130551409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65275854 + 65275855.

It is an arithmetic number, because the mean of its divisors is an integer number (65275855).

Almost surely, 2130551709 is an apocalyptic number.

It is an amenable number.

130551709 is a deficient number, since it is larger than the sum of its proper divisors (1).

130551709 is an equidigital number, since it uses as much as digits as its factorization.

130551709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 130551709 is about 11425.9226760905. The cubic root of 130551709 is about 507.2953176554.

The spelling of 130551709 in words is "one hundred thirty million, five hundred fifty-one thousand, seven hundred nine".