Base | Representation |
---|---|
bin | 11001001011010… |
… | …10100010000011 |
3 | 112201102002010002 |
4 | 30211222202003 |
5 | 413031401011 |
6 | 32542430215 |
7 | 5143112552 |
oct | 1445524203 |
9 | 481362102 |
10 | 211200131 |
11 | a924286a |
12 | 5a89236b |
13 | 349a91bc |
14 | 20099d99 |
15 | 1381cc3b |
hex | c96a883 |
211200131 has 8 divisors (see below), whose sum is σ = 214384320. Its totient is φ = 208038568.
The previous prime is 211200103. The next prime is 211200149. The reversal of 211200131 is 131002112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-211200131 is a prime.
It is a super-2 number, since 2×2112001312 = 89210990668834322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (211200151) 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, 13640 + ... + 24666.
It is an arithmetic number, because the mean of its divisors is an integer number (26798040).
Almost surely, 2211200131 is an apocalyptic number.
211200131 is a deficient number, since it is larger than the sum of its proper divisors (3184189).
211200131 is a wasteful number, since it uses less digits than its factorization.
211200131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11313.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 211200131 is about 14532.7262067377. The cubic root of 211200131 is about 595.5223443087.
Adding to 211200131 its reverse (131002112), we get a palindrome (342202243).
The spelling of 211200131 in words is "two hundred eleven million, two hundred thousand, one hundred thirty-one".
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