Base | Representation |
---|---|
bin | 1100111000000010001… |
… | …1011101011000010010 |
3 | 210010221211000220201020 |
4 | 3032000203131120102 |
5 | 12111004212023442 |
6 | 245341250020310 |
7 | 21660354631104 |
oct | 3160043353022 |
9 | 703854026636 |
10 | 221200111122 |
11 | 858a07724a1 |
12 | 36a53577696 |
13 | 17b22529a23 |
14 | a9c5925574 |
15 | 5b4974d9ec |
hex | 33808dd612 |
221200111122 has 8 divisors (see below), whose sum is σ = 442400222256. Its totient is φ = 73733370372.
The previous prime is 221200111079. The next prime is 221200111141. The reversal of 221200111122 is 221111002122.
It is a sphenic number, since it is the product of 3 distinct primes.
221200111122 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18433342588 + ... + 18433342599.
It is an arithmetic number, because the mean of its divisors is an integer number (55300027782).
Almost surely, 2221200111122 is an apocalyptic number.
221200111122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
221200111122 is a wasteful number, since it uses less digits than its factorization.
221200111122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36866685192.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 221200111122 its reverse (221111002122), we get a palindrome (442311113244).
The spelling of 221200111122 in words is "two hundred twenty-one billion, two hundred million, one hundred eleven thousand, one hundred twenty-two".
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