Base | Representation |
---|---|
bin | 110000010001010111111111… |
… | …110110110011101000100011 |
3 | 1000211200201000010100210111221 |
4 | 300101113333312303220203 |
5 | 210311311333121000311 |
6 | 2031305214004315511 |
7 | 62501120431102342 |
oct | 6021277766635043 |
9 | 1024621003323457 |
10 | 212300231031331 |
11 | 61711027841733 |
12 | 1b9892599a2b97 |
13 | 915ca9760aba1 |
14 | 3a5d5592c3b59 |
15 | 1982639aa7671 |
hex | c115ffdb3a23 |
212300231031331 has 4 divisors (see below), whose sum is σ = 212303855630752. Its totient is φ = 212296606431912.
The previous prime is 212300231031269. The next prime is 212300231031353. The reversal of 212300231031331 is 133130132003212.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 212300231031331 - 221 = 212300228934179 is a prime.
It is a super-2 number, since 2×2123002310313312 (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 = 212300231031296 and 212300231031305.
It is not an unprimeable number, because it can be changed into a prime (212300231031631) 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, 1812211851 + ... + 1812328996.
It is an arithmetic number, because the mean of its divisors is an integer number (53075963907688).
Almost surely, 2212300231031331 is an apocalyptic number.
212300231031331 is a deficient number, since it is larger than the sum of its proper divisors (3624599421).
212300231031331 is an equidigital number, since it uses as much as digits as its factorization.
212300231031331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3624599420.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 212300231031331 its reverse (133130132003212), we get a palindrome (345430363034543).
The spelling of 212300231031331 in words is "two hundred twelve trillion, three hundred billion, two hundred thirty-one million, thirty-one thousand, three hundred thirty-one".
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