Base | Representation |
---|---|
bin | 11110100011110011000… |
… | …000110100111111110100 |
3 | 21102202112002020020210111 |
4 | 132203303000310333310 |
5 | 233401320401333022 |
6 | 4244423020432404 |
7 | 304502324001613 |
oct | 36436300647764 |
9 | 7382462206714 |
10 | 2100021121012 |
11 | 73a6831a2471 |
12 | 29abb89a8704 |
13 | 12305355a549 |
14 | 738da64b87a |
15 | 3995deda477 |
hex | 1e8f3034ff4 |
2100021121012 has 24 divisors (see below), whose sum is σ = 3689947124640. Its totient is φ = 1045751124000.
The previous prime is 2100021120983. The next prime is 2100021121049. The reversal of 2100021121012 is 2101211200012.
It is a junction number, because it is equal to n+sod(n) for n = 2100021120983 and 2100021121001.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15261583 + ... + 15398569.
It is an arithmetic number, because the mean of its divisors is an integer number (153747796860).
Almost surely, 22100021121012 is an apocalyptic number.
It is an amenable number.
2100021121012 is a deficient number, since it is larger than the sum of its proper divisors (1589926003628).
2100021121012 is a wasteful number, since it uses less digits than its factorization.
2100021121012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 152511 (or 152509 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 2100021121012 its reverse (2101211200012), we get a palindrome (4201232321024).
The spelling of 2100021121012 in words is "two trillion, one hundred billion, twenty-one million, one hundred twenty-one thousand, twelve".
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