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130648447 is a prime number
BaseRepresentation
bin1111100100110…
…00100101111111
3100002211121222101
413302120211333
5231421222242
620544125531
73144331156
oct762304577
9302747871
10130648447
1167825126
12379068a7
13210b4997
14134cc59d
15b70a9b7
hex7c9897f

130648447 has 2 divisors, whose sum is σ = 130648448. Its totient is φ = 130648446.

The previous prime is 130648429. The next prime is 130648471. The reversal of 130648447 is 744846031.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130648447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130648547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65324223 + 65324224.

It is an arithmetic number, because the mean of its divisors is an integer number (65324224).

Almost surely, 2130648447 is an apocalyptic number.

130648447 is a deficient number, since it is larger than the sum of its proper divisors (1).

130648447 is an equidigital number, since it uses as much as digits as its factorization.

130648447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 130648447 is about 11430.1551608016. The cubic root of 130648447 is about 507.4205876051.

The spelling of 130648447 in words is "one hundred thirty million, six hundred forty-eight thousand, four hundred forty-seven".