Base | Representation |
---|---|
bin | 10001110000011001101… |
… | …101111111110000101111 |
3 | 11022122112222201012122012 |
4 | 101300121231333300233 |
5 | 124442433230400421 |
6 | 2332315251511435 |
7 | 154104514366436 |
oct | 21603155776057 |
9 | 4278488635565 |
10 | 1220202200111 |
11 | 430537371044 |
12 | 1785972b857b |
13 | 8b0abb3a17b |
14 | 430b560611d |
15 | 21b1859795b |
hex | 11c19b7fc2f |
1220202200111 has 8 divisors (see below), whose sum is σ = 1250219731824. Its totient is φ = 1190196882880.
The previous prime is 1220202200099. The next prime is 1220202200137. The reversal of 1220202200111 is 1110022020221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1220202200111 - 26 = 1220202200047 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 (1220202200011) 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, 2851205 + ... + 3251118.
It is an arithmetic number, because the mean of its divisors is an integer number (156277466478).
Almost surely, 21220202200111 is an apocalyptic number.
1220202200111 is a deficient number, since it is larger than the sum of its proper divisors (30017531713).
1220202200111 is an equidigital number, since it uses as much as digits as its factorization.
1220202200111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6107241.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 1220202200111 its reverse (1110022020221), we get a palindrome (2330224220332).
The spelling of 1220202200111 in words is "one trillion, two hundred twenty billion, two hundred two million, two hundred thousand, one hundred eleven".
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