Search a number
-
+
130352899 = 413179339
BaseRepresentation
bin1111100010100…
…00011100000011
3100002021121120011
413301100130003
5231332243044
620533525351
73141660415
oct761203403
9302247504
10130352899
1167643076
12377a3857
13210102c1
14134529b5
15b69d134
hex7c50703

130352899 has 4 divisors (see below), whose sum is σ = 133532280. Its totient is φ = 127173520.

The previous prime is 130352867. The next prime is 130352903. The reversal of 130352899 is 998253031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130352899 - 25 = 130352867 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130352819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1589629 + ... + 1589710.

It is an arithmetic number, because the mean of its divisors is an integer number (33383070).

Almost surely, 2130352899 is an apocalyptic number.

130352899 is a deficient number, since it is larger than the sum of its proper divisors (3179381).

130352899 is an equidigital number, since it uses as much as digits as its factorization.

130352899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3179380.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 130352899 is about 11417.2194075440. The cubic root of 130352899 is about 507.0376761381.

The spelling of 130352899 in words is "one hundred thirty million, three hundred fifty-two thousand, eight hundred ninety-nine".

Divisors: 1 41 3179339 130352899