Base | Representation |
---|---|
bin | 100000001010010100111… |
… | …000110100001101010100 |
3 | 21211021200102222020121212 |
4 | 200022110320310031110 |
5 | 242202301421041040 |
6 | 4411151103200552 |
7 | 315450420326540 |
oct | 40122470641524 |
9 | 7737612866555 |
10 | 2210111112020 |
11 | 782337118109 |
12 | 2b84018a6158 |
13 | 1305495a5266 |
14 | 78d81778a20 |
15 | 3c753e5bd65 |
hex | 20294e34354 |
2210111112020 has 48 divisors (see below), whose sum is σ = 5334927228288. Its totient is φ = 753372301440.
The previous prime is 2210111112019. The next prime is 2210111112023. The reversal of 2210111112020 is 202111110122.
It is a super-2 number, since 2×22101111120202 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 2210111111986 and 2210111112004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2210111112023) 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, 45601526 + ... + 45649965.
It is an arithmetic number, because the mean of its divisors is an integer number (111144317256).
Almost surely, 22210111112020 is an apocalyptic number.
2210111112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2210111112020 is an abundant number, since it is smaller than the sum of its proper divisors (3124816116268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2210111112020 is a wasteful number, since it uses less digits than its factorization.
2210111112020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91251680 (or 91251678 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 2210111112020 its reverse (202111110122), we get a palindrome (2412222222142).
The spelling of 2210111112020 in words is "two trillion, two hundred ten billion, one hundred eleven million, one hundred twelve thousand, twenty".
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