Base | Representation |
---|---|
bin | 11011111100111011… |
… | …000011000110010101 |
3 | 2212110200000112222112 |
4 | 123330323003012111 |
5 | 442431331011042 |
6 | 21442101440405 |
7 | 2111516330651 |
oct | 337473030625 |
9 | 85420015875 |
10 | 30013141397 |
11 | 118016aa398 |
12 | 5997410105 |
13 | 2aa4016785 |
14 | 164a0a9a61 |
15 | ba9d72982 |
hex | 6fcec3195 |
30013141397 has 2 divisors, whose sum is σ = 30013141398. Its totient is φ = 30013141396.
The previous prime is 30013141331. The next prime is 30013141421. The reversal of 30013141397 is 79314131003.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 21491266801 + 8521874596 = 146599^2 + 92314^2 .
It is an emirp because it is prime and its reverse (79314131003) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30013141397 is a prime.
It is a super-3 number, since 3×300131413973 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30013140397) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006570698 + 15006570699.
It is an arithmetic number, because the mean of its divisors is an integer number (15006570699).
Almost surely, 230013141397 is an apocalyptic number.
It is an amenable number.
30013141397 is a deficient number, since it is larger than the sum of its proper divisors (1).
30013141397 is an equidigital number, since it uses as much as digits as its factorization.
30013141397 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6804, while the sum is 32.
The spelling of 30013141397 in words is "thirty billion, thirteen million, one hundred forty-one thousand, three hundred ninety-seven".
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