Base | Representation |
---|---|
bin | 11101000111110010000… |
… | …100101010101001111000 |
3 | 21002022111112120021021111 |
4 | 131013302010222221320 |
5 | 230242000100232300 |
6 | 4131203121250104 |
7 | 264404060462545 |
oct | 35076204525170 |
9 | 7068445507244 |
10 | 2001221102200 |
11 | 70179315aa61 |
12 | 283a24a93934 |
13 | 116939536858 |
14 | 6cc06b13bcc |
15 | 370ca2d59ba |
hex | 1d1f212aa78 |
2001221102200 has 48 divisors (see below), whose sum is σ = 4674890531160. Its totient is φ = 796694640000.
The previous prime is 2001221102159. The next prime is 2001221102297. The reversal of 2001221102200 is 22011221002.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23668951 + ... + 23753350.
Almost surely, 22001221102200 is an apocalyptic number.
2001221102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2001221102200 is an abundant number, since it is smaller than the sum of its proper divisors (2673669428960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2001221102200 is a wasteful number, since it uses less digits than its factorization.
2001221102200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47422528 (or 47422519 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 2001221102200 its reverse (22011221002), we get a palindrome (2023232323202).
The spelling of 2001221102200 in words is "two trillion, one billion, two hundred twenty-one million, one hundred two thousand, two hundred".
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