Base | Representation |
---|---|
bin | 1101110001011110001100… |
… | …11110100011100100101001 |
3 | 10222020102102011100201010012 |
4 | 12320233012132203210221 |
5 | 12432211032420143024 |
6 | 144225415542101305 |
7 | 6244113445605215 |
oct | 670570636434451 |
9 | 128212364321105 |
10 | 30287144302889 |
11 | 9717784413891 |
12 | 3491a2741a835 |
13 | 13b90b0a51b96 |
14 | 769c96da7945 |
15 | 377c88a3c50e |
hex | 1b8bc67a3929 |
30287144302889 has 8 divisors (see below), whose sum is σ = 30293121008640. Its totient is φ = 30281168131776.
The previous prime is 30287144302879. The next prime is 30287144302897. The reversal of 30287144302889 is 98820344178203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30287144302889 - 212 = 30287144298793 is a prime.
It is a super-2 number, since 2×302871443028892 (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 (30287144302829) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124382072 + ... + 124625334.
It is an arithmetic number, because the mean of its divisors is an integer number (3786640126080).
Almost surely, 230287144302889 is an apocalyptic number.
It is an amenable number.
30287144302889 is a deficient number, since it is larger than the sum of its proper divisors (5976705751).
30287144302889 is a wasteful number, since it uses less digits than its factorization.
30287144302889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 267319.
The product of its (nonzero) digits is 18579456, while the sum is 59.
The spelling of 30287144302889 in words is "thirty trillion, two hundred eighty-seven billion, one hundred forty-four million, three hundred two thousand, eight hundred eighty-nine".
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