Base | Representation |
---|---|
bin | 1111100011111… |
… | …00000111111010 |
3 | 100002121201000101 |
4 | 13301330013322 |
5 | 231404004314 |
6 | 20541430014 |
7 | 3143334166 |
oct | 761740772 |
9 | 302551011 |
10 | 130531834 |
11 | 67755554 |
12 | 3786b30a |
13 | 21073894 |
14 | 1349bca6 |
15 | b6d6174 |
hex | 7c7c1fa |
130531834 has 8 divisors (see below), whose sum is σ = 195933888. Its totient is φ = 65220540.
The previous prime is 130531829. The next prime is 130531847. The reversal of 130531834 is 438135031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×1305318343 (a number of 25 digits) contains 333 as substring.
It is an unprimeable number.
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, 18972 + ... + 24919.
It is an arithmetic number, because the mean of its divisors is an integer number (24491736).
Almost surely, 2130531834 is an apocalyptic number.
130531834 is a deficient number, since it is larger than the sum of its proper divisors (65402054).
130531834 is a wasteful number, since it uses less digits than its factorization.
130531834 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45380.
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 130531834 is about 11425.0529101619. The cubic root of 130531834 is about 507.2695730514.
Adding to 130531834 its reverse (438135031), we get a palindrome (568666865).
The spelling of 130531834 in words is "one hundred thirty million, five hundred thirty-one thousand, eight hundred thirty-four".
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