Base | Representation |
---|---|
bin | 1111100010001… |
… | …10110000011010 |
3 | 100002012121011101 |
4 | 13301012300122 |
5 | 231330010432 |
6 | 20533022014 |
7 | 3141433663 |
oct | 761066032 |
9 | 302177141 |
10 | 130313242 |
11 | 676162a4 |
12 | 3778490a |
13 | 20cc8237 |
14 | 1344236a |
15 | b6914e7 |
hex | 7c46c1a |
130313242 has 4 divisors (see below), whose sum is σ = 195469866. Its totient is φ = 65156620.
The previous prime is 130313221. The next prime is 130313251. The reversal of 130313242 is 242313031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242313031 = 4957 ⋅48883.
It can be written as a sum of positive squares in only one way, i.e., 120143521 + 10169721 = 10961^2 + 3189^2 .
It is a super-4 number, since 4×1303132424 (a number of 34 digits) contains 4444 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32578309 + ... + 32578312.
Almost surely, 2130313242 is an apocalyptic number.
130313242 is a deficient number, since it is larger than the sum of its proper divisors (65156624).
130313242 is an equidigital number, since it uses as much as digits as its factorization.
130313242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65156623.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 130313242 is about 11415.4825565983. The cubic root of 130313242 is about 506.9862525725.
Adding to 130313242 its reverse (242313031), we get a palindrome (372626273).
The spelling of 130313242 in words is "one hundred thirty million, three hundred thirteen thousand, two hundred forty-two".
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