Base | Representation |
---|---|
bin | 1100010010110100101… |
… | …0110010011000000010 |
3 | 202012011200010122200010 |
4 | 3010231022302120002 |
5 | 11430030031400002 |
6 | 241010141005350 |
7 | 21155003402205 |
oct | 3045512623002 |
9 | 665150118603 |
10 | 211211200002 |
11 | 81635241750 |
12 | 34b26253856 |
13 | 16bbcc2292a |
14 | a31904b93c |
15 | 576283146c |
hex | 312d2b2602 |
211211200002 has 32 divisors (see below), whose sum is σ = 463398900480. Its totient is φ = 63645829520.
The previous prime is 211211199949. The next prime is 211211200037. The reversal of 211211200002 is 200002112112.
It is a super-2 number, since 2×2112112000022 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8927208 + ... + 8950835.
It is an arithmetic number, because the mean of its divisors is an integer number (14481215640).
Almost surely, 2211211200002 is an apocalyptic number.
211211200002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
211211200002 is an abundant number, since it is smaller than the sum of its proper divisors (252187700478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211211200002 is a wasteful number, since it uses less digits than its factorization.
211211200002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17878238.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 211211200002 its reverse (200002112112), we get a palindrome (411213312114).
The spelling of 211211200002 in words is "two hundred eleven billion, two hundred eleven million, two hundred thousand, two".
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