Base | Representation |
---|---|
bin | 1011101001100011000… |
… | …0010101001101010111 |
3 | 201010120111100112022000 |
4 | 2322120300111031113 |
5 | 11234332103132411 |
6 | 231534500210343 |
7 | 20313304000230 |
oct | 2723060251527 |
9 | 633514315260 |
10 | 200131302231 |
11 | 779699a2543 |
12 | 329536999b3 |
13 | 15b455a25c3 |
14 | 9987700087 |
15 | 5314c5d956 |
hex | 2e98c15357 |
200131302231 has 32 divisors (see below), whose sum is σ = 358778810880. Its totient is φ = 107633639808.
The previous prime is 200131302221. The next prime is 200131302251. The reversal of 200131302231 is 132203131002.
200131302231 is a `hidden beast` number, since 2 + 0 + 0 + 131 + 302 + 231 = 666.
200131302231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 200131302231 - 210 = 200131301207 is a prime.
It is a super-2 number, since 2×2001313022312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200131302221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31140781 + ... + 31147206.
It is an arithmetic number, because the mean of its divisors is an integer number (11211837840).
Almost surely, 2200131302231 is an apocalyptic number.
200131302231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
200131302231 is a deficient number, since it is larger than the sum of its proper divisors (158647508649).
200131302231 is a wasteful number, since it uses less digits than its factorization.
200131302231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62288020 (or 62288014 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 200131302231 its reverse (132203131002), we get a palindrome (332334433233).
The spelling of 200131302231 in words is "two hundred billion, one hundred thirty-one million, three hundred two thousand, two hundred thirty-one".
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