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230100211 = 11233472621
BaseRepresentation
bin11011011011100…
…00110011110011
3121000222022011001
431231300303303
5432401201321
634455502431
75462551045
oct1555606363
9530868131
10230100211
11108981770
1265087a17
1338895a93
14227b9a95
1515302c91
hexdb70cf3

230100211 has 16 divisors (see below), whose sum is σ = 262787328. Its totient is φ = 199434400.

The previous prime is 230100193. The next prime is 230100217. The reversal of 230100211 is 112001032.

It is not a de Polignac number, because 230100211 - 29 = 230099699 is a prime.

It is a super-2 number, since 2×2301002112 = 105892214204489042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230100217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86481 + ... + 89101.

It is an arithmetic number, because the mean of its divisors is an integer number (16424208).

Almost surely, 2230100211 is an apocalyptic number.

230100211 is a deficient number, since it is larger than the sum of its proper divisors (32687117).

230100211 is a wasteful number, since it uses less digits than its factorization.

230100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 230100211 is about 15169.0543871396. The cubic root of 230100211 is about 612.7815379865.

Adding to 230100211 its reverse (112001032), we get a palindrome (342101243).

The spelling of 230100211 in words is "two hundred thirty million, one hundred thousand, two hundred eleven".

Divisors: 1 11 23 253 347 2621 3817 7981 28831 60283 87791 663113 909487 10004357 20918201 230100211