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130344133 = 947137639
BaseRepresentation
bin1111100010011…
…10010011000101
3100002021011112111
413301032103011
5231332003013
620533421021
73141623023
oct761162305
9302234474
10130344133
1167637527
123779a771
132100930a
141344d713
15b69a73d
hex7c4e4c5

130344133 has 4 divisors (see below), whose sum is σ = 130482720. Its totient is φ = 130205548.

The previous prime is 130344121. The next prime is 130344167. The reversal of 130344133 is 331443031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331443031 = 893724079.

It is a cyclic number.

It is not a de Polignac number, because 130344133 - 225 = 96789701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130344103) 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, 67873 + ... + 69766.

It is an arithmetic number, because the mean of its divisors is an integer number (32620680).

Almost surely, 2130344133 is an apocalyptic number.

It is an amenable number.

130344133 is a deficient number, since it is larger than the sum of its proper divisors (138587).

130344133 is an equidigital number, since it uses as much as digits as its factorization.

130344133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138586.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 130344133 is about 11416.8355072673. The cubic root of 130344133 is about 507.0263100902.

Adding to 130344133 its reverse (331443031), we get a palindrome (461787164).

The spelling of 130344133 in words is "one hundred thirty million, three hundred forty-four thousand, one hundred thirty-three".

Divisors: 1 947 137639 130344133