Base | Representation |
---|---|
bin | 1100010110111101110… |
… | …0101111010100010010 |
3 | 202022001011120020002020 |
4 | 3011233130233110102 |
5 | 11434314214433242 |
6 | 241312343032310 |
7 | 21224365304400 |
oct | 3055734572422 |
9 | 668034506066 |
10 | 212323202322 |
11 | 82055a04530 |
12 | 3519673b696 |
13 | 1703941667a |
14 | a3c29d2470 |
15 | 57ca2886ec |
hex | 316f72f512 |
212323202322 has 96 divisors (see below), whose sum is σ = 539127705600. Its totient is φ = 55123881120.
The previous prime is 212323202309. The next prime is 212323202323. The reversal of 212323202322 is 223202323212.
It is a super-2 number, since 2×2123232023222 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 212323202292 and 212323202301.
It is not an unprimeable number, because it can be changed into a prime (212323202323) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7744683 + ... + 7772049.
It is an arithmetic number, because the mean of its divisors is an integer number (5615913600).
Almost surely, 2212323202322 is an apocalyptic number.
212323202322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 212323202322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269563852800).
212323202322 is an abundant number, since it is smaller than the sum of its proper divisors (326804503278).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212323202322 is a wasteful number, since it uses less digits than its factorization.
212323202322 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29796 (or 29789 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 212323202322 its reverse (223202323212), we get a palindrome (435525525534).
The spelling of 212323202322 in words is "two hundred twelve billion, three hundred twenty-three million, two hundred two thousand, three hundred twenty-two".
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