Base | Representation |
---|---|
bin | 100000001011010111000… |
… | …011111101110100011110 |
3 | 21211101112211001020001212 |
4 | 200023113003331310132 |
5 | 242212040130044410 |
6 | 4411453203104422 |
7 | 315520061124332 |
oct | 40132703756436 |
9 | 7741484036055 |
10 | 2211221331230 |
11 | 78285688224a |
12 | 2b8671672112 |
13 | 1306955c34c2 |
14 | 79048db77c2 |
15 | 3c7bb660b05 |
hex | 202d70fdd1e |
2211221331230 has 16 divisors (see below), whose sum is σ = 3980629366560. Its totient is φ = 884392761312.
The previous prime is 2211221331223. The next prime is 2211221331251. The reversal of 2211221331230 is 321331221122.
It is a junction number, because it is equal to n+sod(n) for n = 2211221331196 and 2211221331205.
It is a congruent number.
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, 11874389 + ... + 12059168.
It is an arithmetic number, because the mean of its divisors is an integer number (248789335410).
Almost surely, 22211221331230 is an apocalyptic number.
2211221331230 is a deficient number, since it is larger than the sum of its proper divisors (1769408035330).
2211221331230 is a wasteful number, since it uses less digits than its factorization.
2211221331230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23942803.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 2211221331230 its reverse (321331221122), we get a palindrome (2532552552352).
The spelling of 2211221331230 in words is "two trillion, two hundred eleven billion, two hundred twenty-one million, three hundred thirty-one thousand, two hundred thirty".
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