Search a number
-
+
130231034 = 265115517
BaseRepresentation
bin1111100001100…
…10101011111010
3100002001102101122
413300302223322
5231314343114
620531145242
73140642213
oct760625372
9302042348
10130231034
116756a55a
1237745222
1320c999ab
141342040a
15b676e8e
hex7c32afa

130231034 has 4 divisors (see below), whose sum is σ = 195346554. Its totient is φ = 65115516.

The previous prime is 130231027. The next prime is 130231039. The reversal of 130231034 is 430132031.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 127351225 + 2879809 = 11285^2 + 1697^2 .

It is not an unprimeable number, because it can be changed into a prime (130231039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32557757 + ... + 32557760.

Almost surely, 2130231034 is an apocalyptic number.

130231034 is a deficient number, since it is larger than the sum of its proper divisors (65115520).

130231034 is an equidigital number, since it uses as much as digits as its factorization.

130231034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65115519.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 130231034 is about 11411.8812647170. The cubic root of 130231034 is about 506.8796195281.

Adding to 130231034 its reverse (430132031), we get a palindrome (560363065).

The spelling of 130231034 in words is "one hundred thirty million, two hundred thirty-one thousand, thirty-four".

Divisors: 1 2 65115517 130231034