Base | Representation |
---|---|
bin | 111100001111001… |
… | …1000110110001100 |
3 | 12012212022020001220 |
4 | 1320132120312030 |
5 | 13114413411022 |
6 | 532322003340 |
7 | 101042121462 |
oct | 17036306614 |
9 | 5185266056 |
10 | 2021232012 |
11 | 947a29588 |
12 | 484aa6550 |
13 | 26299c497 |
14 | 152624832 |
15 | bc6a885c |
hex | 78798d8c |
2021232012 has 48 divisors (see below), whose sum is σ = 4771654272. Its totient is φ = 665866240.
The previous prime is 2021232001. The next prime is 2021232013. The reversal of 2021232012 is 2102321202.
It is a happy number.
2021232012 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 2021231982 and 2021232000.
It is not an unprimeable number, because it can be changed into a prime (2021232013) 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, 401503 + ... + 406505.
It is an arithmetic number, because the mean of its divisors is an integer number (99409464).
Almost surely, 22021232012 is an apocalyptic number.
It is an amenable number.
2021232012 is an abundant number, since it is smaller than the sum of its proper divisors (2750422260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021232012 is a wasteful number, since it uses less digits than its factorization.
2021232012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5398 (or 5396 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 2021232012 is about 44958.1139728970. The cubic root of 2021232012 is about 1264.3638084791.
Adding to 2021232012 its reverse (2102321202), we get a palindrome (4123553214).
The spelling of 2021232012 in words is "two billion, twenty-one million, two hundred thirty-two thousand, twelve".
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