Base | Representation |
---|---|
bin | 110000001110011110100011… |
… | …010100011011110000000000 |
3 | 1000210222200001001001102022220 |
4 | 300032132203110123300000 |
5 | 210300031033131133440 |
6 | 2031033523234131040 |
7 | 62450541142326645 |
oct | 6016364324336000 |
9 | 1023880031042286 |
10 | 212101110021120 |
11 | 61644637162581 |
12 | 1b956748720a80 |
13 | 914708343a218 |
14 | 3a53a69c4ddcc |
15 | 197c3838ae8d0 |
hex | c0e7a351bc00 |
212101110021120 has 176 divisors, whose sum is σ = 678403896434208. Its totient is φ = 56559316172800.
The previous prime is 212101110021109. The next prime is 212101110021137. The reversal of 212101110021120 is 21120011101212.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 212101110021120.
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, 1494472402 + ... + 1494614318.
Almost surely, 2212101110021120 is an apocalyptic number.
212101110021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212101110021120 is an abundant number, since it is smaller than the sum of its proper divisors (466302786413088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212101110021120 is a wasteful number, since it uses less digits than its factorization.
212101110021120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 239246 (or 239228 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 15.
Adding to 212101110021120 its reverse (21120011101212), we get a palindrome (233221121122332).
The spelling of 212101110021120 in words is "two hundred twelve trillion, one hundred one billion, one hundred ten million, twenty-one thousand, one hundred twenty".
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