Base | Representation |
---|---|
bin | 100100101010011… |
… | …1000011111000100 |
3 | 10011201212012020211 |
4 | 1021110320133010 |
5 | 10004413223022 |
6 | 322023405204 |
7 | 42325423012 |
oct | 11124703704 |
9 | 3151765224 |
10 | 1230211012 |
11 | 581470818 |
12 | 2a3bb3804 |
13 | 167b41514 |
14 | b95558b2 |
15 | 73006e77 |
hex | 495387c4 |
1230211012 has 12 divisors (see below), whose sum is σ = 2266178320. Its totient is φ = 582731496.
The previous prime is 1230210991. The next prime is 1230211019. The reversal of 1230211012 is 2101120321.
It is a junction number, because it is equal to n+sod(n) for n = 1230210983 and 1230211001.
It is not an unprimeable number, because it can be changed into a prime (1230211019) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8093418 + ... + 8093569.
Almost surely, 21230211012 is an apocalyptic number.
It is an amenable number.
1230211012 is a deficient number, since it is larger than the sum of its proper divisors (1035967308).
1230211012 is a wasteful number, since it uses less digits than its factorization.
1230211012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16187010 (or 16187008 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 1230211012 is about 35074.3640284468. The cubic root of 1230211012 is about 1071.5025363677.
Adding to 1230211012 its reverse (2101120321), we get a palindrome (3331331333).
The spelling of 1230211012 in words is "one billion, two hundred thirty million, two hundred eleven thousand, twelve".
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