Base | Representation |
---|---|
bin | 1100010110100000101… |
… | …1110001010000110011 |
3 | 202021201200012121211011 |
4 | 3011220023301100303 |
5 | 11434042014011311 |
6 | 241252310331351 |
7 | 21221355255040 |
oct | 3055013612063 |
9 | 667650177734 |
10 | 212201313331 |
11 | 81aa3122527 |
12 | 35161959b57 |
13 | 1701a0aa9c7 |
14 | a3b07441c7 |
15 | 57be70d321 |
hex | 31682f1433 |
212201313331 has 8 divisors (see below), whose sum is σ = 242684328960. Its totient is φ = 181760433288.
The previous prime is 212201313329. The next prime is 212201313409. The reversal of 212201313331 is 133313102212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 212201313331 - 21 = 212201313329 is a prime.
It is a super-2 number, since 2×2122013133312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212201313131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10523101 + ... + 10543246.
It is an arithmetic number, because the mean of its divisors is an integer number (30335541120).
Almost surely, 2212201313331 is an apocalyptic number.
212201313331 is a deficient number, since it is larger than the sum of its proper divisors (30483015629).
212201313331 is a wasteful number, since it uses less digits than its factorization.
212201313331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21067793.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 212201313331 its reverse (133313102212), we get a palindrome (345514415543).
The spelling of 212201313331 in words is "two hundred twelve billion, two hundred one million, three hundred thirteen thousand, three hundred thirty-one".
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