Base | Representation |
---|---|
bin | 11110110110100110011… |
… | …111110000110010111000 |
3 | 21111200122020100102002201 |
4 | 132312212133300302320 |
5 | 234214143312033422 |
6 | 4302002334035544 |
7 | 306115556344636 |
oct | 36664637606270 |
9 | 7450566312081 |
10 | 2120212221112 |
11 | 7481a4585857 |
12 | 2a2ab2948bb4 |
13 | 124c206c455b |
14 | 7489407a356 |
15 | 3a241903727 |
hex | 1eda67f0cb8 |
2120212221112 has 8 divisors (see below), whose sum is σ = 3975397914600. Its totient is φ = 1060106110552.
The previous prime is 2120212221107. The next prime is 2120212221137. The reversal of 2120212221112 is 2111222120212.
It is a tau number, because it is divible by the number of its divisors (8).
It is a self number, because there is not a number n which added to its sum of digits gives 2120212221112.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132513263812 + ... + 132513263827.
It is an arithmetic number, because the mean of its divisors is an integer number (496924739325).
Almost surely, 22120212221112 is an apocalyptic number.
It is an amenable number.
2120212221112 is a deficient number, since it is larger than the sum of its proper divisors (1855185693488).
2120212221112 is a wasteful number, since it uses less digits than its factorization.
2120212221112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 265026527645 (or 265026527641 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 19.
Adding to 2120212221112 its reverse (2111222120212), we get a palindrome (4231434341324).
The spelling of 2120212221112 in words is "two trillion, one hundred twenty billion, two hundred twelve million, two hundred twenty-one thousand, one hundred twelve".
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