Base | Representation |
---|---|
bin | 11110100101101001101… |
… | …000011101010001111000 |
3 | 21102221122202221210220121 |
4 | 132211221220131101320 |
5 | 233414404333033422 |
6 | 4245352311303024 |
7 | 304602540401665 |
oct | 36455150352170 |
9 | 7387582853817 |
10 | 2102011221112 |
11 | 7405045980a0 |
12 | 29b47337aa74 |
13 | 1232ac94977a |
14 | 73a48a8aa6c |
15 | 39a28a948c7 |
hex | 1e969a1d478 |
2102011221112 has 32 divisors (see below), whose sum is σ = 4347878180400. Its totient is φ = 944724140800.
The previous prime is 2102011221043. The next prime is 2102011221131. The reversal of 2102011221112 is 2111221102012.
It is a super-2 number, since 2×21020112211122 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
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, 134185939 + ... + 134201602.
Almost surely, 22102011221112 is an apocalyptic number.
2102011221112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2102011221112 is an abundant number, since it is smaller than the sum of its proper divisors (2245866959288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2102011221112 is a wasteful number, since it uses less digits than its factorization.
2102011221112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 268387647 (or 268387643 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 2102011221112 its reverse (2111221102012), we get a palindrome (4213232323124).
The spelling of 2102011221112 in words is "two trillion, one hundred two billion, eleven million, two hundred twenty-one thousand, one hundred twelve".
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