Base | Representation |
---|---|
bin | 1111100010011… |
… | …10010101000101 |
3 | 100002021011201020 |
4 | 13301032111011 |
5 | 231332004021 |
6 | 20533421353 |
7 | 3141623265 |
oct | 761162505 |
9 | 302234636 |
10 | 130344261 |
11 | 67637633 |
12 | 3779a859 |
13 | 210093a8 |
14 | 1344d7a5 |
15 | b69a7c6 |
hex | 7c4e545 |
130344261 has 4 divisors (see below), whose sum is σ = 173792352. Its totient is φ = 86896172.
The previous prime is 130344217. The next prime is 130344283. The reversal of 130344261 is 162443031.
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.
It is a cyclic number.
It is not a de Polignac number, because 130344261 - 29 = 130343749 is a prime.
It is a super-2 number, since 2×1303442612 = 33979252751272242, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130344061) 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, 21724041 + ... + 21724046.
It is an arithmetic number, because the mean of its divisors is an integer number (43448088).
Almost surely, 2130344261 is an apocalyptic number.
It is an amenable number.
130344261 is a deficient number, since it is larger than the sum of its proper divisors (43448091).
130344261 is an equidigital number, since it uses as much as digits as its factorization.
130344261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43448090.
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 130344261 is about 11416.8411130225. The cubic root of 130344261 is about 507.0264760594.
Adding to 130344261 its reverse (162443031), we get a palindrome (292787292).
The spelling of 130344261 in words is "one hundred thirty million, three hundred forty-four thousand, two hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •