Base | Representation |
---|---|
bin | 11110101111000011101… |
… | …000011110100000111010 |
3 | 21110220201122200100002220 |
4 | 132233003220132200322 |
5 | 234101100421011302 |
6 | 4254142423104510 |
7 | 305411040134532 |
oct | 36570350364072 |
9 | 7426648610086 |
10 | 2112111110202 |
11 | 744817728275 |
12 | 2a14118a2136 |
13 | 12422c23c0c2 |
14 | 743261b24c2 |
15 | 39e1a5d44bc |
hex | 1ebc3a1e83a |
2112111110202 has 32 divisors (see below), whose sum is σ = 4236211351680. Its totient is φ = 702039441600.
The previous prime is 2112111110201. The next prime is 2112111110269. The reversal of 2112111110202 is 2020111112112.
It is a happy number.
It is a super-2 number, since 2×21121111102022 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2112111110201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14876952 + ... + 15018252.
It is an arithmetic number, because the mean of its divisors is an integer number (132381604740).
Almost surely, 22112111110202 is an apocalyptic number.
2112111110202 is an abundant number, since it is smaller than the sum of its proper divisors (2124100241478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112111110202 is a wasteful number, since it uses less digits than its factorization.
2112111110202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148358.
The product of its (nonzero) digits is 16, while the sum is 15.
Adding to 2112111110202 its reverse (2020111112112), we get a palindrome (4132222222314).
The spelling of 2112111110202 in words is "two trillion, one hundred twelve billion, one hundred eleven million, one hundred ten thousand, two hundred two".
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