Base | Representation |
---|---|
bin | 1111100011001… |
… | …00000011101101 |
3 | 100002102200210112 |
4 | 13301210003231 |
5 | 231342331021 |
6 | 20535345405 |
7 | 3142443620 |
oct | 761440355 |
9 | 302380715 |
10 | 130433261 |
11 | 67698492 |
12 | 37822265 |
13 | 2103aa5a |
14 | 13473db7 |
15 | b6b6d5b |
hex | 7c640ed |
130433261 has 8 divisors (see below), whose sum is σ = 151109184. Its totient is φ = 110268000.
The previous prime is 130433243. The next prime is 130433263. The reversal of 130433261 is 162334031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-130433261 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 (130433263) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127115 + ... + 128136.
It is an arithmetic number, because the mean of its divisors is an integer number (18888648).
Almost surely, 2130433261 is an apocalyptic number.
It is an amenable number.
130433261 is a deficient number, since it is larger than the sum of its proper divisors (20675923).
130433261 is an equidigital number, since it uses as much as digits as its factorization.
130433261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 255331.
The product of its (nonzero) digits is 1296, while the sum is 23.
The square root of 130433261 is about 11420.7381985579. The cubic root of 130433261 is about 507.1418502469.
Adding to 130433261 its reverse (162334031), we get a palindrome (292767292).
The spelling of 130433261 in words is "one hundred thirty million, four hundred thirty-three thousand, two hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •