Base | Representation |
---|---|
bin | 110000010001110011101111… |
… | …011111101010111111010111 |
3 | 1000211210112220021000100122121 |
4 | 300101303233133222333113 |
5 | 210312303340423132411 |
6 | 2031331022025240411 |
7 | 62503223603163160 |
oct | 6021635737527727 |
9 | 1024715807010577 |
10 | 212330021302231 |
11 | 61722724658128 |
12 | 1b992b92633107 |
13 | 91628343c0511 |
14 | 3a60b83936767 |
15 | 19832d00a4571 |
hex | c11cef7eafd7 |
212330021302231 has 8 divisors (see below), whose sum is σ = 243438162262304. Its totient is φ = 181415700535680.
The previous prime is 212330021302199. The next prime is 212330021302253. The reversal of 212330021302231 is 132203120033212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212330021302231 - 25 = 212330021302199 is a prime.
It is a super-2 number, since 2×2123300213022312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 212330021302196 and 212330021302205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212330021302261) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48455046030 + ... + 48455050411.
It is an arithmetic number, because the mean of its divisors is an integer number (30429770282788).
Almost surely, 2212330021302231 is an apocalyptic number.
212330021302231 is a deficient number, since it is larger than the sum of its proper divisors (31108140960073).
212330021302231 is an equidigital number, since it uses as much as digits as its factorization.
212330021302231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96910096761.
The product of its (nonzero) digits is 2592, while the sum is 25.
Adding to 212330021302231 its reverse (132203120033212), we get a palindrome (344533141335443).
The spelling of 212330021302231 in words is "two hundred twelve trillion, three hundred thirty billion, twenty-one million, three hundred two thousand, two hundred thirty-one".
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