Base | Representation |
---|---|
bin | 10001110010000101011… |
… | …111000101110111110111 |
3 | 11022211012222211202112202 |
4 | 101302011133011313313 |
5 | 130010134104413221 |
6 | 2333214520135115 |
7 | 154200360406361 |
oct | 21620537056767 |
9 | 4284188752482 |
10 | 1222010232311 |
11 | 431284a11430 |
12 | 178a0090749b |
13 | 8b3095b01cb |
14 | 432077add31 |
15 | 21bc218ad0b |
hex | 11c857c5df7 |
1222010232311 has 16 divisors (see below), whose sum is σ = 1349593293600. Its totient is φ = 1097229504000.
The previous prime is 1222010232227. The next prime is 1222010232319. The reversal of 1222010232311 is 1132320102221.
It is a cyclic number.
It is not a de Polignac number, because 1222010232311 - 222 = 1222006038007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222010232319) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 890246 + ... + 1799043.
It is an arithmetic number, because the mean of its divisors is an integer number (84349580850).
Almost surely, 21222010232311 is an apocalyptic number.
1222010232311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1222010232311 is a deficient number, since it is larger than the sum of its proper divisors (127583061289).
1222010232311 is a wasteful number, since it uses less digits than its factorization.
1222010232311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2689810.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 1222010232311 its reverse (1132320102221), we get a palindrome (2354330334532).
The spelling of 1222010232311 in words is "one trillion, two hundred twenty-two billion, ten million, two hundred thirty-two thousand, three hundred eleven".
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