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130768061 is a prime number
BaseRepresentation
bin1111100101101…
…01110010111101
3100010001201001112
413302311302331
5231434034221
620550451405
73145336664
oct762656275
9303051045
10130768061
11678a6a86
1237963b65
1321127268
141351dddb
15b73115b
hex7cb5cbd

130768061 has 2 divisors, whose sum is σ = 130768062. Its totient is φ = 130768060.

The previous prime is 130768049. The next prime is 130768067. The reversal of 130768061 is 160867031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130759225 + 8836 = 11435^2 + 94^2 .

It is a cyclic number.

It is not a de Polignac number, because 130768061 - 26 = 130767997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130768067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65384030 + 65384031.

It is an arithmetic number, because the mean of its divisors is an integer number (65384031).

Almost surely, 2130768061 is an apocalyptic number.

It is an amenable number.

130768061 is a deficient number, since it is larger than the sum of its proper divisors (1).

130768061 is an equidigital number, since it uses as much as digits as its factorization.

130768061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 130768061 is about 11435.3863511470. The cubic root of 130768061 is about 507.5753951419.

The spelling of 130768061 in words is "one hundred thirty million, seven hundred sixty-eight thousand, sixty-one".