Base | Representation |
---|---|
bin | 110000010011010011110111… |
… | …010010001110011011110111 |
3 | 1000212011102022010122220212210 |
4 | 300103103313102032123313 |
5 | 210321001224142211411 |
6 | 2031450251255544503 |
7 | 62513536335006063 |
oct | 6023236722163367 |
9 | 1025142263586783 |
10 | 212433231210231 |
11 | 61762477993659 |
12 | 1b9aab9738b133 |
13 | 916c4a1c2a4b5 |
14 | 3a65b75000aa3 |
15 | 1985d20ee7ca6 |
hex | c134f748e6f7 |
212433231210231 has 4 divisors (see below), whose sum is σ = 283244308280312. Its totient is φ = 141622154140152.
The previous prime is 212433231210203. The next prime is 212433231210251. The reversal of 212433231210231 is 132012132334212.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 212433231210231 - 219 = 212433230685943 is a prime.
It is a super-2 number, since 2×2124332312102312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212433231210251) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35405538535036 + ... + 35405538535041.
It is an arithmetic number, because the mean of its divisors is an integer number (70811077070078).
Almost surely, 2212433231210231 is an apocalyptic number.
212433231210231 is a deficient number, since it is larger than the sum of its proper divisors (70811077070081).
212433231210231 is an equidigital number, since it uses as much as digits as its factorization.
212433231210231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70811077070080.
The product of its (nonzero) digits is 10368, while the sum is 30.
Adding to 212433231210231 its reverse (132012132334212), we get a palindrome (344445363544443).
The spelling of 212433231210231 in words is "two hundred twelve trillion, four hundred thirty-three billion, two hundred thirty-one million, two hundred ten thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •