Base | Representation |
---|---|
bin | 1111100011111… |
… | …10111000100110 |
3 | 100002122021112012 |
4 | 13301332320212 |
5 | 231404340032 |
6 | 20541554222 |
7 | 3143412152 |
oct | 761767046 |
9 | 302567465 |
10 | 130543142 |
11 | 67762aa4 |
12 | 37875972 |
13 | 21078a82 |
14 | 134a2062 |
15 | b6d96b2 |
hex | 7c7ee26 |
130543142 has 4 divisors (see below), whose sum is σ = 195814716. Its totient is φ = 65271570.
The previous prime is 130543109. The next prime is 130543157. The reversal of 130543142 is 241345031.
130543142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a congruent number.
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 as a sum of consecutive naturals, namely, 32635784 + ... + 32635787.
It is an arithmetic number, because the mean of its divisors is an integer number (48953679).
Almost surely, 2130543142 is an apocalyptic number.
130543142 is a deficient number, since it is larger than the sum of its proper divisors (65271574).
130543142 is an equidigital number, since it uses as much as digits as its factorization.
130543142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65271573.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 130543142 is about 11425.5477768027. The cubic root of 130543142 is about 507.2842209181.
Adding to 130543142 its reverse (241345031), we get a palindrome (371888173).
The spelling of 130543142 in words is "one hundred thirty million, five hundred forty-three thousand, one hundred forty-two".
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