Search a number
-
+
130427293 is a prime number
BaseRepresentation
bin1111100011000…
…10100110011101
3100002102101121111
413301202212131
5231342133133
620535302021
73142420333
oct761424635
9302371544
10130427293
1167693a57
123781a911
1321038119
1413471b53
15b6b51cd
hex7c6299d

130427293 has 2 divisors, whose sum is σ = 130427294. Its totient is φ = 130427292.

The previous prime is 130427263. The next prime is 130427317. The reversal of 130427293 is 392724031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112635769 + 17791524 = 10613^2 + 4218^2 .

It is a cyclic number.

It is not a de Polignac number, because 130427293 - 221 = 128330141 is a prime.

It is a super-2 number, since 2×1304272932 = 34022557518615698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130427263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65213646 + 65213647.

It is an arithmetic number, because the mean of its divisors is an integer number (65213647).

Almost surely, 2130427293 is an apocalyptic number.

It is an amenable number.

130427293 is a deficient number, since it is larger than the sum of its proper divisors (1).

130427293 is an equidigital number, since it uses as much as digits as its factorization.

130427293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 130427293 is about 11420.4769164865. The cubic root of 130427293 is about 507.1341153366.

The spelling of 130427293 in words is "one hundred thirty million, four hundred twenty-seven thousand, two hundred ninety-three".