Base | Representation |
---|---|
bin | 100011110000110… |
… | …1011011111011110 |
3 | 10002122000212221101 |
4 | 1013201223133132 |
5 | 4424200324410 |
6 | 315024223314 |
7 | 41510633005 |
oct | 10741533736 |
9 | 3078025841 |
10 | 1200011230 |
11 | 566414220 |
12 | 295a6ab3a |
13 | 1617c9622 |
14 | b5533c3c |
15 | 7053dd3a |
hex | 4786b7de |
1200011230 has 32 divisors (see below), whose sum is σ = 2388680928. Its totient is φ = 430387200.
The previous prime is 1200011203. The next prime is 1200011233. The reversal of 1200011230 is 321100021.
It is a super-2 number, since 2×12000112302 = 2880053904252225800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1200011233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66691 + ... + 82750.
It is an arithmetic number, because the mean of its divisors is an integer number (74646279).
Almost surely, 21200011230 is an apocalyptic number.
1200011230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1200011230 is a deficient number, since it is larger than the sum of its proper divisors (1188669698).
1200011230 is a wasteful number, since it uses less digits than its factorization.
1200011230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 149532.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 1200011230 is about 34641.1782420864. The cubic root of 1200011230 is about 1062.6618840766.
Adding to 1200011230 its reverse (321100021), we get a palindrome (1521111251).
The spelling of 1200011230 in words is "one billion, two hundred million, eleven thousand, two hundred thirty".
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