Base | Representation |
---|---|
bin | 100100101010011… |
… | …1000010000111111 |
3 | 10011201212011000110 |
4 | 1021110320100333 |
5 | 10004413210421 |
6 | 322023401103 |
7 | 42325420254 |
oct | 11124702077 |
9 | 3151764013 |
10 | 1230210111 |
11 | 581470079 |
12 | 2a3bb3193 |
13 | 167b40ca0 |
14 | b955542b |
15 | 73006a76 |
hex | 4953843f |
1230210111 has 16 divisors (see below), whose sum is σ = 1769715584. Its totient is φ = 755655264.
The previous prime is 1230210097. The next prime is 1230210143. The reversal of 1230210111 is 1110120321.
It is not a de Polignac number, because 1230210111 - 213 = 1230201919 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230210211) 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, 7501 + ... + 50166.
It is an arithmetic number, because the mean of its divisors is an integer number (110607224).
Almost surely, 21230210111 is an apocalyptic number.
1230210111 is a deficient number, since it is larger than the sum of its proper divisors (539505473).
1230210111 is a wasteful number, since it uses less digits than its factorization.
1230210111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58230.
The product of its (nonzero) digits is 12, while the sum is 12.
The square root of 1230210111 is about 35074.3511843056. The cubic root of 1230210111 is about 1071.5022747800.
Adding to 1230210111 its reverse (1110120321), we get a palindrome (2340330432).
It can be divided in two parts, 1230210 and 111, that added together give a palindrome (1230321).
The spelling of 1230210111 in words is "one billion, two hundred thirty million, two hundred ten thousand, one hundred eleven".
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