Base | Representation |
---|---|
bin | 1101110110111110001011… |
… | …00101101001110100011001 |
3 | 10222220111011100210102212111 |
4 | 12323133011211221310121 |
5 | 12443310032113303124 |
6 | 144452310344512321 |
7 | 6263553236230324 |
oct | 673370545516431 |
9 | 128814140712774 |
10 | 30476107947289 |
11 | 978a932475744 |
12 | 3502582a7b6a1 |
13 | 1400b66757914 |
14 | 7750a14337bb |
15 | 37cb48140494 |
hex | 1bb7c5969d19 |
30476107947289 has 9 divisors (see below), whose sum is σ = 30502303209693. Its totient is φ = 30449935176192.
The previous prime is 30476107947277. The next prime is 30476107947367. The reversal of 30476107947289 is 98274970167403.
The square root of 30476107947289 is 5520517.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 9097432278025 + 21378675669264 = 3016195^2 + 4623708^2 .
It is not a de Polignac number, because 30476107947289 - 221 = 30476105850137 is a prime.
It is a super-2 number, since 2×304761079472892 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30476107947239) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11333620057 + ... + 11333622745.
It is an arithmetic number, because the mean of its divisors is an integer number (3389144801077).
Almost surely, 230476107947289 is an apocalyptic number.
30476107947289 is the 5520517-th square number.
30476107947289 is the 2760259-th centered octagonal number.
It is an amenable number.
30476107947289 is a deficient number, since it is larger than the sum of its proper divisors (26195262404).
30476107947289 is an frugal number, since it uses more digits than its factorization.
30476107947289 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9484 (or 4742 counting only the distinct ones).
The product of its (nonzero) digits is 128024064, while the sum is 67.
The spelling of 30476107947289 in words is "thirty trillion, four hundred seventy-six billion, one hundred seven million, nine hundred forty-seven thousand, two hundred eighty-nine".
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