Base | Representation |
---|---|
bin | 100000001100000110110… |
… | …110001101010110101100 |
3 | 21211110121200120210200210 |
4 | 200030012312031112230 |
5 | 242220210343444322 |
6 | 4412104522222420 |
7 | 315545664351141 |
oct | 40140666152654 |
9 | 7743550523623 |
10 | 2212023031212 |
11 | 783128374315 |
12 | 2b8856054a10 |
13 | 1307927200a7 |
14 | 790c36663c8 |
15 | 3c816c2170c |
hex | 20306d8d5ac |
2212023031212 has 48 divisors (see below), whose sum is σ = 5641288353792. Its totient is φ = 671581943040.
The previous prime is 2212023031189. The next prime is 2212023031271. The reversal of 2212023031212 is 2121303202122.
It is a super-2 number, since 2×22120230312122 (a number of 25 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, 174884808 + ... + 174897455.
It is an arithmetic number, because the mean of its divisors is an integer number (117526840704).
Almost surely, 22212023031212 is an apocalyptic number.
It is an amenable number.
2212023031212 is an abundant number, since it is smaller than the sum of its proper divisors (3429265322580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2212023031212 is a wasteful number, since it uses less digits than its factorization.
2212023031212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 349782318 (or 349782316 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 2212023031212 its reverse (2121303202122), we get a palindrome (4333326233334).
The spelling of 2212023031212 in words is "two trillion, two hundred twelve billion, twenty-three million, thirty-one thousand, two hundred twelve".
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