Base | Representation |
---|---|
bin | 11100011001001101… |
… | …100011010010100101 |
3 | 2220200202002100221010 |
4 | 130121031203102211 |
5 | 444414331111033 |
6 | 22001134212433 |
7 | 2126341426602 |
oct | 343115432245 |
9 | 86622070833 |
10 | 30487753893 |
11 | 11a255a6823 |
12 | 5aaa354119 |
13 | 2b4b45017c |
14 | 16931336a9 |
15 | bd6873863 |
hex | 7193634a5 |
30487753893 has 8 divisors (see below), whose sum is σ = 40781048256. Its totient is φ = 20259814400.
The previous prime is 30487753883. The next prime is 30487753897. The reversal of 30487753893 is 39835778403.
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 30487753893 - 226 = 30420645029 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30487753897) 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 7 ways as a sum of consecutive naturals, for example, 16337628 + ... + 16339493.
It is an arithmetic number, because the mean of its divisors is an integer number (5097631032).
Almost surely, 230487753893 is an apocalyptic number.
It is an amenable number.
30487753893 is a deficient number, since it is larger than the sum of its proper divisors (10293294363).
30487753893 is a wasteful number, since it uses less digits than its factorization.
30487753893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32677435.
The product of its (nonzero) digits is 15240960, while the sum is 57.
The spelling of 30487753893 in words is "thirty billion, four hundred eighty-seven million, seven hundred fifty-three thousand, eight hundred ninety-three".
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