Base | Representation |
---|---|
bin | 11001010010010… |
… | …01011100100110 |
3 | 112210010110121002 |
4 | 30221021130212 |
5 | 413300110230 |
6 | 33014153302 |
7 | 5153634542 |
oct | 1451113446 |
9 | 483113532 |
10 | 212113190 |
11 | a9806863 |
12 | 5b052832 |
13 | 34c38983 |
14 | 20256a22 |
15 | 1394d545 |
hex | ca49726 |
212113190 has 8 divisors (see below), whose sum is σ = 381803760. Its totient is φ = 84845272.
The previous prime is 212113189. The next prime is 212113219. The reversal of 212113190 is 91311212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×2121131902 = 89984010743952200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10605650 + ... + 10605669.
It is an arithmetic number, because the mean of its divisors is an integer number (47725470).
Almost surely, 2212113190 is an apocalyptic number.
212113190 is a deficient number, since it is larger than the sum of its proper divisors (169690570).
212113190 is a wasteful number, since it uses less digits than its factorization.
212113190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21211326.
The product of its (nonzero) digits is 108, while the sum is 20.
The square root of 212113190 is about 14564.1062204311. The cubic root of 212113190 is about 596.3792966468.
The spelling of 212113190 in words is "two hundred twelve million, one hundred thirteen thousand, one hundred ninety".
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