Base | Representation |
---|---|
bin | 11100000010001111… |
… | …010101001011001101 |
3 | 2212200212212112111100 |
4 | 130002033111023031 |
5 | 443122200010042 |
6 | 21455005413313 |
7 | 2113651464006 |
oct | 340217251315 |
9 | 85625775440 |
10 | 30102344397 |
11 | 11847a96984 |
12 | 5a0126a239 |
13 | 2ab9649a08 |
14 | 1657c8a1ad |
15 | bb2ae324c |
hex | 7023d52cd |
30102344397 has 12 divisors (see below), whose sum is σ = 46038879900. Its totient is φ = 18887745408.
The previous prime is 30102344381. The next prime is 30102344417. The reversal of 30102344397 is 79344320103.
30102344397 is a `hidden beast` number, since 30 + 1 + 0 + 234 + 4 + 397 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 23904561321 + 6197783076 = 154611^2 + 78726^2 .
It is not a de Polignac number, because 30102344397 - 24 = 30102344381 is a prime.
It is a super-2 number, since 2×301023443972 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30102384397) 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 11 ways as a sum of consecutive naturals, for example, 98373522 + ... + 98373827.
It is an arithmetic number, because the mean of its divisors is an integer number (3836573325).
Almost surely, 230102344397 is an apocalyptic number.
It is an amenable number.
30102344397 is a deficient number, since it is larger than the sum of its proper divisors (15936535503).
30102344397 is a wasteful number, since it uses less digits than its factorization.
30102344397 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 196747372 (or 196747369 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 36.
The spelling of 30102344397 in words is "thirty billion, one hundred two million, three hundred forty-four thousand, three hundred ninety-seven".
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