Base | Representation |
---|---|
bin | 1111100000110… |
… | …10010000111010 |
3 | 100001212100011202 |
4 | 13300122100322 |
5 | 231303143002 |
6 | 20525054202 |
7 | 3140044451 |
oct | 760322072 |
9 | 301770152 |
10 | 130131002 |
11 | 67501391 |
12 | 376b7362 |
13 | 20c632c1 |
14 | 133d5b98 |
15 | b657502 |
hex | 7c1a43a |
130131002 has 8 divisors (see below), whose sum is σ = 195821076. Its totient is φ = 64857312.
The previous prime is 130130947. The next prime is 130131011. The reversal of 130131002 is 200131031.
It can be written as a sum of positive squares in 2 ways, for example, as 111112681 + 19018321 = 10541^2 + 4361^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
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 in 3 ways as a sum of consecutive naturals, for example, 103313 + ... + 104564.
Almost surely, 2130131002 is an apocalyptic number.
130131002 is a deficient number, since it is larger than the sum of its proper divisors (65690074).
130131002 is a wasteful number, since it uses less digits than its factorization.
130131002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 208192.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 130131002 is about 11407.4976221781. The cubic root of 130131002 is about 506.7498062052.
Adding to 130131002 its reverse (200131031), we get a palindrome (330262033).
The spelling of 130131002 in words is "one hundred thirty million, one hundred thirty-one thousand, two".
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