Base | Representation |
---|---|
bin | 11101101100000110110… |
… | …10111010100110010100 |
3 | 10121112002100220222202020 |
4 | 32312003122322212110 |
5 | 113203142200321322 |
6 | 2100344423013140 |
7 | 133462220645013 |
oct | 16660332724624 |
9 | 3545070828666 |
10 | 1020112120212 |
11 | 363699774549 |
12 | 14585559a1b0 |
13 | 75271c6b8a3 |
14 | 37533596a7a |
15 | 1b80727d05c |
hex | ed836ba994 |
1020112120212 has 48 divisors (see below), whose sum is σ = 2455966490880. Its totient is φ = 329371564032.
The previous prime is 1020112120199. The next prime is 1020112120273. The reversal of 1020112120212 is 2120212110201.
It is a junction number, because it is equal to n+sod(n) for n = 1020112120191 and 1020112120200.
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, 9268537 + ... + 9377952.
It is an arithmetic number, because the mean of its divisors is an integer number (51165968560).
Almost surely, 21020112120212 is an apocalyptic number.
1020112120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1020112120212 is an abundant number, since it is smaller than the sum of its proper divisors (1435854370668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020112120212 is a wasteful number, since it uses less digits than its factorization.
1020112120212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18646640 (or 18646638 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 1020112120212 its reverse (2120212110201), we get a palindrome (3140324230413).
The spelling of 1020112120212 in words is "one trillion, twenty billion, one hundred twelve million, one hundred twenty thousand, two hundred twelve".
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