Base | Representation |
---|---|
bin | 100000001100001100000… |
… | …110001101001111001000 |
3 | 21211110211211022201121022 |
4 | 200030030012031033020 |
5 | 242220400421023422 |
6 | 4412121350132012 |
7 | 315551114125640 |
oct | 40141406151710 |
9 | 7743754281538 |
10 | 2212111111112 |
11 | 783173064021 |
12 | 2b887b651008 |
13 | 1307a7a4c086 |
14 | 790d1233520 |
15 | 3c81e81e342 |
hex | 2030c18d3c8 |
2212111111112 has 32 divisors (see below), whose sum is σ = 4786259836800. Its totient is φ = 938843270784.
The previous prime is 2212111111097. The next prime is 2212111111127. The reversal of 2212111111112 is 2111111112122.
It is an interprime number because it is at equal distance from previous prime (2212111111097) and next prime (2212111111127).
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191751437 + ... + 191762972.
It is an arithmetic number, because the mean of its divisors is an integer number (149570619900).
Almost surely, 22212111111112 is an apocalyptic number.
It is an amenable number.
2212111111112 is an abundant number, since it is smaller than the sum of its proper divisors (2574148725688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2212111111112 is a wasteful number, since it uses less digits than its factorization.
2212111111112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 383514525 (or 383514521 counting only the distinct ones).
The product of its digits is 16, while the sum is 17.
Adding to 2212111111112 its reverse (2111111112122), we get a palindrome (4323222223234).
The spelling of 2212111111112 in words is "two trillion, two hundred twelve billion, one hundred eleven million, one hundred eleven thousand, one hundred twelve".
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