Base | Representation |
---|---|
bin | 11001011001111… |
… | …01000011010010 |
3 | 112212000011022210 |
4 | 30230331003102 |
5 | 414024022434 |
6 | 33051412550 |
7 | 5165261565 |
oct | 1454750322 |
9 | 485004283 |
10 | 213110994 |
11 | aa328498 |
12 | 5b454156 |
13 | 351c7ba5 |
14 | 204364dc |
15 | 13a98ee9 |
hex | cb3d0d2 |
213110994 has 32 divisors (see below), whose sum is σ = 431532864. Its totient is φ = 70156800.
The previous prime is 213110993. The next prime is 213111001. The reversal of 213110994 is 499011312.
213110994 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (213110993) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354294 + ... + 354894.
It is an arithmetic number, because the mean of its divisors is an integer number (13485402).
Almost surely, 2213110994 is an apocalyptic number.
213110994 is an abundant number, since it is smaller than the sum of its proper divisors (218421870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213110994 is a wasteful number, since it uses less digits than its factorization.
213110994 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1242.
The product of its (nonzero) digits is 1944, while the sum is 30.
The square root of 213110994 is about 14598.3216158571. The cubic root of 213110994 is about 597.3129789376.
The spelling of 213110994 in words is "two hundred thirteen million, one hundred ten thousand, nine hundred ninety-four".
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