Base | Representation |
---|---|
bin | 10001110000100111011… |
… | …110100100000000110000 |
3 | 11022200011002001212000002 |
4 | 101300213132210000300 |
5 | 124443421324112222 |
6 | 2332354215245132 |
7 | 154113316431401 |
oct | 21604736440060 |
9 | 4280132055002 |
10 | 1220433035312 |
11 | 4306456a4a37 |
12 | 1786406797a8 |
13 | 8b1178cc64a |
14 | 430d81339a8 |
15 | 21b2d993392 |
hex | 11c277a4030 |
1220433035312 has 40 divisors (see below), whose sum is σ = 2502792779760. Its totient is φ = 574905911040.
The previous prime is 1220433035303. The next prime is 1220433035317. The reversal of 1220433035312 is 2135303340221.
It is a happy number.
It is a super-2 number, since 2×12204330353122 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1220433035317) 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, 11034983 + ... + 11145030.
It is an arithmetic number, because the mean of its divisors is an integer number (62569819494).
Almost surely, 21220433035312 is an apocalyptic number.
It is an amenable number.
1220433035312 is an abundant number, since it is smaller than the sum of its proper divisors (1282359744448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1220433035312 is a wasteful number, since it uses less digits than its factorization.
1220433035312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22180221 (or 22180215 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 29.
Adding to 1220433035312 its reverse (2135303340221), we get a palindrome (3355736375533).
The spelling of 1220433035312 in words is "one trillion, two hundred twenty billion, four hundred thirty-three million, thirty-five thousand, three hundred twelve".
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