Base | Representation |
---|---|
bin | 10001110000100000001… |
… | …010001001010000010010 |
3 | 11022122211112000022200120 |
4 | 101300200022021100102 |
5 | 124443143410223242 |
6 | 2332334111331110 |
7 | 154110265625343 |
oct | 21604012112022 |
9 | 4278745008616 |
10 | 1220310242322 |
11 | 430592355826 |
12 | 178607520a96 |
13 | 8b0c8338382 |
14 | 430c5acc0ca |
15 | 21b22cda1ec |
hex | 11c20289412 |
1220310242322 has 16 divisors (see below), whose sum is σ = 2443721663712. Its totient is φ = 406253217600.
The previous prime is 1220310242317. The next prime is 1220310242329. The reversal of 1220310242322 is 2232420130221.
It is a junction number, because it is equal to n+sod(n) for n = 1220310242292 and 1220310242301.
It is not an unprimeable number, because it can be changed into a prime (1220310242329) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129210679 + ... + 129220122.
It is an arithmetic number, because the mean of its divisors is an integer number (152732603982).
Almost surely, 21220310242322 is an apocalyptic number.
1220310242322 is an abundant number, since it is smaller than the sum of its proper divisors (1223411421390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1220310242322 is a wasteful number, since it uses less digits than its factorization.
1220310242322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258431593.
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 1220310242322 its reverse (2232420130221), we get a palindrome (3452730372543).
The spelling of 1220310242322 in words is "one trillion, two hundred twenty billion, three hundred ten million, two hundred forty-two thousand, three hundred twenty-two".
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