Base | Representation |
---|---|
bin | 1101101011000111101001… |
… | …11111101010011011011101 |
3 | 10221110120001001012111210001 |
4 | 12311203310333222123131 |
5 | 12420122032114322230 |
6 | 143541241534414301 |
7 | 6222255624552016 |
oct | 665436477523335 |
9 | 127416031174701 |
10 | 30068881401565 |
11 | 9643160725606 |
12 | 3457673661391 |
13 | 13a1638bc3726 |
14 | 75d4ad5c200d |
15 | 3722620cd0ca |
hex | 1b58f4fea6dd |
30068881401565 has 16 divisors (see below), whose sum is σ = 36134202999600. Its totient is φ = 24020745795072.
The previous prime is 30068881401511. The next prime is 30068881401613. The reversal of 30068881401565 is 56510418886003.
It can be written as a sum of positive squares in 8 ways, for example, as 674072198361 + 29394809203204 = 821019^2 + 5421698^2 .
It is a cyclic number.
It is not a de Polignac number, because 30068881401565 - 213 = 30068881393373 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58637601 + ... + 59148169.
It is an arithmetic number, because the mean of its divisors is an integer number (2258387687475).
Almost surely, 230068881401565 is an apocalyptic number.
It is an amenable number.
30068881401565 is a deficient number, since it is larger than the sum of its proper divisors (6065321598035).
30068881401565 is a wasteful number, since it uses less digits than its factorization.
30068881401565 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 527376.
The product of its (nonzero) digits is 5529600, while the sum is 55.
The spelling of 30068881401565 in words is "thirty trillion, sixty-eight billion, eight hundred eighty-one million, four hundred one thousand, five hundred sixty-five".
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