Base | Representation |
---|---|
bin | 1011001110001100… |
… | …0011110010100111 |
3 | 21202221012022112200 |
4 | 2303203003302213 |
5 | 22132122442411 |
6 | 1214524145543 |
7 | 134435142255 |
oct | 26343036247 |
9 | 7687168480 |
10 | 3012312231 |
11 | 130640a845 |
12 | 7009982b3 |
13 | 390105696 |
14 | 2080cd5d5 |
15 | 1296c6e56 |
hex | b38c3ca7 |
3012312231 has 24 divisors (see below), whose sum is σ = 4779265920. Its totient is φ = 1819792656.
The previous prime is 3012312221. The next prime is 3012312283. The reversal of 3012312231 is 1322132103.
It is not a de Polignac number, because 3012312231 - 27 = 3012312103 is a prime.
It is a super-2 number, since 2×30123122312 = 18148049954064394722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3012312211) 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 23 ways as a sum of consecutive naturals, for example, 379021 + ... + 386886.
It is an arithmetic number, because the mean of its divisors is an integer number (199136080).
Almost surely, 23012312231 is an apocalyptic number.
3012312231 is a deficient number, since it is larger than the sum of its proper divisors (1766953689).
3012312231 is a wasteful number, since it uses less digits than its factorization.
3012312231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 765955 (or 765952 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 3012312231 is about 54884.5354448774. The cubic root of 3012312231 is about 1444.2199117130.
Adding to 3012312231 its reverse (1322132103), we get a palindrome (4334444334).
The spelling of 3012312231 in words is "three billion, twelve million, three hundred twelve thousand, two hundred thirty-one".
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