Base | Representation |
---|---|
bin | 1100010010110100101… |
… | …0110111100011010010 |
3 | 202012011200011201202022 |
4 | 3010231022313203102 |
5 | 11430030033034302 |
6 | 241010141251442 |
7 | 21155003521052 |
oct | 3045512674322 |
9 | 665150151668 |
10 | 211211221202 |
11 | 81635256673 |
12 | 34b26263b82 |
13 | 16bbcc2c487 |
14 | a319055562 |
15 | 57628378a2 |
hex | 312d2b78d2 |
211211221202 has 32 divisors (see below), whose sum is σ = 333155192832. Its totient is φ = 100231377664.
The previous prime is 211211221129. The next prime is 211211221223. The reversal of 211211221202 is 202122112112.
211211221202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2112112212022 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16927238 + ... + 16939710.
It is an arithmetic number, because the mean of its divisors is an integer number (10411099776).
Almost surely, 2211211221202 is an apocalyptic number.
211211221202 is a deficient number, since it is larger than the sum of its proper divisors (121943971630).
211211221202 is a wasteful number, since it uses less digits than its factorization.
211211221202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15322.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 211211221202 its reverse (202122112112), we get a palindrome (413333333314).
The spelling of 211211221202 in words is "two hundred eleven billion, two hundred eleven million, two hundred twenty-one thousand, two hundred two".
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