Base | Representation |
---|---|
bin | 1011010010011100… |
… | …0100111101110101 |
3 | 21211011202012112111 |
4 | 2310213010331311 |
5 | 22201204032322 |
6 | 1220402251021 |
7 | 135042534451 |
oct | 26447047565 |
9 | 7734665474 |
10 | 3030142837 |
11 | 1315489187 |
12 | 706956a71 |
13 | 393a09537 |
14 | 20a611661 |
15 | 12b04a177 |
hex | b49c4f75 |
3030142837 has 2 divisors, whose sum is σ = 3030142838. Its totient is φ = 3030142836.
The previous prime is 3030142831. The next prime is 3030142873. The reversal of 3030142837 is 7382410303.
Together with next prime (3030142873) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2876605956 + 153536881 = 53634^2 + 12391^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3030142837 is a prime.
It is a super-3 number, since 3×30301428373 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 3030142799 and 3030142808.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3030142831) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515071418 + 1515071419.
It is an arithmetic number, because the mean of its divisors is an integer number (1515071419).
Almost surely, 23030142837 is an apocalyptic number.
It is an amenable number.
3030142837 is a deficient number, since it is larger than the sum of its proper divisors (1).
3030142837 is an equidigital number, since it uses as much as digits as its factorization.
3030142837 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12096, while the sum is 31.
The square root of 3030142837 is about 55046.7332091560. The cubic root of 3030142837 is about 1447.0638702465.
The spelling of 3030142837 in words is "three billion, thirty million, one hundred forty-two thousand, eight hundred thirty-seven".
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