Base | Representation |
---|---|
bin | 1111100010011… |
… | …11001110001111 |
3 | 100002021100201201 |
4 | 13301033032033 |
5 | 231332113134 |
6 | 20533450331 |
7 | 3141640042 |
oct | 761171617 |
9 | 302240651 |
10 | 130347919 |
11 | 6763a359 |
12 | 377a09a7 |
13 | 2100ac60 |
14 | 13450c59 |
15 | b69b914 |
hex | 7c4f38f |
130347919 has 4 divisors (see below), whose sum is σ = 140374696. Its totient is φ = 120321144.
The previous prime is 130347907. The next prime is 130347937. The reversal of 130347919 is 919743031.
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 130347919 - 215 = 130315151 is a prime.
It is a super-2 number, since 2×1303479192 = 33981159975261122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130347419) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5013369 + ... + 5013394.
It is an arithmetic number, because the mean of its divisors is an integer number (35093674).
Almost surely, 2130347919 is an apocalyptic number.
130347919 is a deficient number, since it is larger than the sum of its proper divisors (10026777).
130347919 is a wasteful number, since it uses less digits than its factorization.
130347919 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10026776.
The product of its (nonzero) digits is 20412, while the sum is 37.
The square root of 130347919 is about 11417.0013138302. The cubic root of 130347919 is about 507.0312191029.
The spelling of 130347919 in words is "one hundred thirty million, three hundred forty-seven thousand, nine hundred nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •