Base | Representation |
---|---|
bin | 10001110000011010111… |
… | …001111010101010111001 |
3 | 11022122121101011100011122 |
4 | 101300122321322222321 |
5 | 124443003324232301 |
6 | 2332321242235025 |
7 | 154105145510144 |
oct | 21603271725271 |
9 | 4278541140148 |
10 | 1220222102201 |
11 | 430547624853 |
12 | 1785a1ab5a75 |
13 | 8b0b2cb7b5b |
14 | 430b810705b |
15 | 21b1a1c981b |
hex | 11c1ae7aab9 |
1220222102201 has 8 divisors (see below), whose sum is σ = 1234543528800. Its totient is φ = 1205979149728.
The previous prime is 1220222102147. The next prime is 1220222102227. The reversal of 1220222102201 is 1022012220221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1220222102201 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1220222102201.
It is not an unprimeable number, because it can be changed into a prime (1220222104201) 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, 19587251 + ... + 19649448.
It is an arithmetic number, because the mean of its divisors is an integer number (154317941100).
Almost surely, 21220222102201 is an apocalyptic number.
It is an amenable number.
1220222102201 is a deficient number, since it is larger than the sum of its proper divisors (14321426599).
1220222102201 is a wasteful number, since it uses less digits than its factorization.
1220222102201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39237063.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 1220222102201 its reverse (1022012220221), we get a palindrome (2242234322422).
The spelling of 1220222102201 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, one hundred two thousand, two hundred one".
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