Base | Representation |
---|---|
bin | 11101011010010011000… |
… | …100010100001010000100 |
3 | 21011012211002000002010111 |
4 | 131122103010110022010 |
5 | 231103204103323022 |
6 | 4144251554202404 |
7 | 266006535432040 |
oct | 35322304241204 |
9 | 7135732002114 |
10 | 2021102011012 |
11 | 70a165439007 |
12 | 287852b83404 |
13 | 118787345116 |
14 | 6db71279020 |
15 | 3789087a477 |
hex | 1d693114284 |
2021102011012 has 24 divisors (see below), whose sum is σ = 4151452781504. Its totient is φ = 842776127712.
The previous prime is 2021102011003. The next prime is 2021102011031. The reversal of 2021102011012 is 2101102011202.
It is a junction number, because it is equal to n+sod(n) for n = 2021102010983 and 2021102011001.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975434298 + ... + 975436369.
Almost surely, 22021102011012 is an apocalyptic number.
It is an amenable number.
2021102011012 is an abundant number, since it is smaller than the sum of its proper divisors (2130350770492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021102011012 is a wasteful number, since it uses less digits than its factorization.
2021102011012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1950870715 (or 1950870713 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 2021102011012 its reverse (2101102011202), we get a palindrome (4122204022214).
It can be divided in two parts, 202110 and 2011012, that added together give a palindrome (2213122).
The spelling of 2021102011012 in words is "two trillion, twenty-one billion, one hundred two million, eleven thousand, twelve".
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