Search a number
-
+
130319389 is a prime number
BaseRepresentation
bin1111100010010…
…00010000011101
3100002012220121001
413301020100131
5231330210024
620533110301
73141460624
oct761102035
9302186531
10130319389
116761a982
1237788391
1320ccac85
14134446bb
15b693244
hex7c4841d

130319389 has 2 divisors, whose sum is σ = 130319390. Its totient is φ = 130319388.

The previous prime is 130319333. The next prime is 130319401. The reversal of 130319389 is 983913031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124144164 + 6175225 = 11142^2 + 2485^2 .

It is an emirp because it is prime and its reverse (983913031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130319389 - 215 = 130286621 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130319789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65159694 + 65159695.

It is an arithmetic number, because the mean of its divisors is an integer number (65159695).

Almost surely, 2130319389 is an apocalyptic number.

It is an amenable number.

130319389 is a deficient number, since it is larger than the sum of its proper divisors (1).

130319389 is an equidigital number, since it uses as much as digits as its factorization.

130319389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 130319389 is about 11415.7517930270. The cubic root of 130319389 is about 506.9942241223.

The spelling of 130319389 in words is "one hundred thirty million, three hundred nineteen thousand, three hundred eighty-nine".