Base | Representation |
---|---|
bin | 11101011010011010110… |
… | …100111100100101010100 |
3 | 21011020011010222100212121 |
4 | 131122122310330211110 |
5 | 231103440420400040 |
6 | 4144312524425324 |
7 | 266013006140605 |
oct | 35323264744524 |
9 | 7136133870777 |
10 | 2021232200020 |
11 | 70a221979a30 |
12 | 28788a6a8244 |
13 | 1187a82c8937 |
14 | 6db84687dac |
15 | 3789bee4c4a |
hex | 1d69ad3c954 |
2021232200020 has 48 divisors (see below), whose sum is σ = 4633573932288. Its totient is φ = 734499128960.
The previous prime is 2021232200003. The next prime is 2021232200051. The reversal of 2021232200020 is 200022321202.
It is a junction number, because it is equal to n+sod(n) for n = 2021232199967 and 2021232200003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2762107 + ... + 3416386.
It is an arithmetic number, because the mean of its divisors is an integer number (96532790256).
Almost surely, 22021232200020 is an apocalyptic number.
2021232200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2021232200020 is an abundant number, since it is smaller than the sum of its proper divisors (2612341732268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021232200020 is a wasteful number, since it uses less digits than its factorization.
2021232200020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6180000 (or 6179998 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 2021232200020 its reverse (200022321202), we get a palindrome (2221254521222).
The spelling of 2021232200020 in words is "two trillion, twenty-one billion, two hundred thirty-two million, two hundred thousand, twenty".
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