Base | Representation |
---|---|
bin | 11101011010001101000… |
… | …111100110101110100100 |
3 | 21011012120010012200011120 |
4 | 131122031013212232210 |
5 | 231103003031211322 |
6 | 4144234031133540 |
7 | 266004214226436 |
oct | 35321507465644 |
9 | 7135503180146 |
10 | 2021002210212 |
11 | 70a114073207 |
12 | 2878256742b0 |
13 | 11876c7711ab |
14 | 6db61cda656 |
15 | 37886c14a5c |
hex | 1d68d1e6ba4 |
2021002210212 has 24 divisors (see below), whose sum is σ = 4715695691616. Its totient is φ = 673663993728.
The previous prime is 2021002210211. The next prime is 2021002210217. The reversal of 2021002210212 is 2120122001202.
It is a junction number, because it is equal to n+sod(n) for n = 2021002210191 and 2021002210200.
It is not an unprimeable number, because it can be changed into a prime (2021002210211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3463203 + ... + 4004469.
It is an arithmetic number, because the mean of its divisors is an integer number (196487320484).
Almost surely, 22021002210212 is an apocalyptic number.
It is an amenable number.
2021002210212 is an abundant number, since it is smaller than the sum of its proper divisors (2694693481404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021002210212 is a wasteful number, since it uses less digits than its factorization.
2021002210212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 852427 (or 852425 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 2021002210212 its reverse (2120122001202), we get a palindrome (4141124211414).
The spelling of 2021002210212 in words is "two trillion, twenty-one billion, two million, two hundred ten thousand, two hundred twelve".
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