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130213549 is a prime number
BaseRepresentation
bin1111100001011…
…10011010101101
3100002000112102001
413300232122231
5231313313144
620530532301
73140540224
oct760563255
9302015361
10130213549
1167558404
1237737091
1320c91a4b
1413417cbb
15b671bd4
hex7c2e6ad

130213549 has 2 divisors, whose sum is σ = 130213550. Its totient is φ = 130213548.

The previous prime is 130213541. The next prime is 130213561. The reversal of 130213549 is 945312031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128981449 + 1232100 = 11357^2 + 1110^2 .

It is a cyclic number.

It is not a de Polignac number, because 130213549 - 23 = 130213541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130213541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65106774 + 65106775.

It is an arithmetic number, because the mean of its divisors is an integer number (65106775).

Almost surely, 2130213549 is an apocalyptic number.

It is an amenable number.

130213549 is a deficient number, since it is larger than the sum of its proper divisors (1).

130213549 is an equidigital number, since it uses as much as digits as its factorization.

130213549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 130213549 is about 11411.1151514653. The cubic root of 130213549 is about 506.8569337249.

The spelling of 130213549 in words is "one hundred thirty million, two hundred thirteen thousand, five hundred forty-nine".