Base | Representation |
---|---|
bin | 11001011010001… |
… | …10101001100111 |
3 | 112212002011020222 |
4 | 30231012221213 |
5 | 414031302221 |
6 | 33052314555 |
7 | 5165514323 |
oct | 1455065147 |
9 | 485064228 |
10 | 213150311 |
11 | aa354a90 |
12 | 5b472a5b |
13 | 3520ca5a |
14 | 20446983 |
15 | 13aa59ab |
hex | cb46a67 |
213150311 has 16 divisors (see below), whose sum is σ = 239155200. Its totient is φ = 188309280.
The previous prime is 213150271. The next prime is 213150317. The reversal of 213150311 is 113051312.
It is a cyclic number.
It is not a de Polignac number, because 213150311 - 26 = 213150247 is a prime.
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 213150311.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213150317) 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, 75650 + ... + 78416.
It is an arithmetic number, because the mean of its divisors is an integer number (14947200).
Almost surely, 2213150311 is an apocalyptic number.
213150311 is a deficient number, since it is larger than the sum of its proper divisors (26004889).
213150311 is a wasteful number, since it uses less digits than its factorization.
213150311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2974.
The product of its (nonzero) digits is 90, while the sum is 17.
The square root of 213150311 is about 14599.6681811608. The cubic root of 213150311 is about 597.3497095787.
The spelling of 213150311 in words is "two hundred thirteen million, one hundred fifty thousand, three hundred eleven".
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