Base | Representation |
---|---|
bin | 1100011001011100010… |
… | …0111000100010000001 |
3 | 202100202111120100011001 |
4 | 3012113010320202001 |
5 | 11442144414142444 |
6 | 241502332452001 |
7 | 21250020305551 |
oct | 3062704704201 |
9 | 670674510131 |
10 | 212988037249 |
11 | 82367215889 |
12 | 3534131a001 |
13 | 17114092b10 |
14 | a447015161 |
15 | 58188118d4 |
hex | 3197138881 |
212988037249 has 8 divisors (see below), whose sum is σ = 234251982720. Its totient is φ = 192421270416.
The previous prime is 212988037111. The next prime is 212988037259. The reversal of 212988037249 is 942730889212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212988037249 - 217 = 212987906177 is a prime.
It is a super-2 number, since 2×2129880372492 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 212988037249.
It is not an unprimeable number, because it can be changed into a prime (212988037259) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174294019 + ... + 174295240.
It is an arithmetic number, because the mean of its divisors is an integer number (29281497840).
Almost surely, 2212988037249 is an apocalyptic number.
It is an amenable number.
212988037249 is a deficient number, since it is larger than the sum of its proper divisors (21263945471).
212988037249 is a wasteful number, since it uses less digits than its factorization.
212988037249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 348589319.
The product of its (nonzero) digits is 3483648, while the sum is 55.
The spelling of 212988037249 in words is "two hundred twelve billion, nine hundred eighty-eight million, thirty-seven thousand, two hundred forty-nine".
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