Base | Representation |
---|---|
bin | 1100010101111000011… |
… | …0101010100111011111 |
3 | 202021021212222221101010 |
4 | 3011132012222213133 |
5 | 11433220221000411 |
6 | 241223425550303 |
7 | 21214232663502 |
oct | 3053606524737 |
9 | 667255887333 |
10 | 212032203231 |
11 | 81a16718612 |
12 | 351151a5393 |
13 | 16cc104a764 |
14 | a3960c3139 |
15 | 57ae9567a6 |
hex | 315e1aa9df |
212032203231 has 32 divisors (see below), whose sum is σ = 306529394688. Its totient is φ = 129859545600.
The previous prime is 212032203211. The next prime is 212032203259. The reversal of 212032203231 is 132302230212.
It is a happy number.
It is not a de Polignac number, because 212032203231 - 25 = 212032203199 is a prime.
It is a super-2 number, since 2×2120322032312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 212032203198 and 212032203207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212032203211) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 775506 + ... + 1012656.
It is an arithmetic number, because the mean of its divisors is an integer number (9579043584).
Almost surely, 2212032203231 is an apocalyptic number.
212032203231 is a deficient number, since it is larger than the sum of its proper divisors (94497191457).
212032203231 is a wasteful number, since it uses less digits than its factorization.
212032203231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 237591.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 212032203231 its reverse (132302230212), we get a palindrome (344334433443).
The spelling of 212032203231 in words is "two hundred twelve billion, thirty-two million, two hundred three thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •