Base | Representation |
---|---|
bin | 1011010000000110… |
… | …1001100011011111 |
3 | 21210111021201112200 |
4 | 2310001221203133 |
5 | 22141201044411 |
6 | 1215412102543 |
7 | 134563251261 |
oct | 26401514337 |
9 | 7714251480 |
10 | 3020331231 |
11 | 130a997615 |
12 | 703604a53 |
13 | 391982658 |
14 | 2091b9b31 |
15 | 12a25ce56 |
hex | b40698df |
3020331231 has 12 divisors (see below), whose sum is σ = 4619330352. Its totient is φ = 1895109696.
The previous prime is 3020331203. The next prime is 3020331233. The reversal of 3020331231 is 1321330203.
3020331231 is a `hidden beast` number, since 302 + 0 + 331 + 2 + 31 = 666.
3020331231 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 3020331231 - 27 = 3020331103 is a prime.
It is a super-2 number, since 2×30203312312 = 18244801489907950722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3020331233) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9870211 + ... + 9870516.
It is an arithmetic number, because the mean of its divisors is an integer number (384944196).
Almost surely, 23020331231 is an apocalyptic number.
3020331231 is a deficient number, since it is larger than the sum of its proper divisors (1598999121).
3020331231 is a wasteful number, since it uses less digits than its factorization.
3020331231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19740750 (or 19740747 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 3020331231 is about 54957.5402560922. The cubic root of 3020331231 is about 1445.5003166073.
Adding to 3020331231 its reverse (1321330203), we get a palindrome (4341661434).
The spelling of 3020331231 in words is "three billion, twenty million, three hundred thirty-one thousand, two hundred thirty-one".
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