Base | Representation |
---|---|
bin | 101100100001011001… |
… | …010101000111101001 |
3 | 11120101121101222121000 |
4 | 230201121111013221 |
5 | 1240401030202424 |
6 | 33543345305213 |
7 | 3311436121233 |
oct | 544131250751 |
9 | 146347358530 |
10 | 47804928489 |
11 | 193016aa36a |
12 | 9321935209 |
13 | 467b075746 |
14 | 2456db7253 |
15 | 139bced3c9 |
hex | b216551e9 |
47804928489 has 64 divisors (see below), whose sum is σ = 76937921280. Its totient is φ = 29219097600.
The previous prime is 47804928481. The next prime is 47804928497. The reversal of 47804928489 is 98482940874.
47804928489 is a `hidden beast` number, since 478 + 0 + 4 + 9 + 2 + 84 + 89 = 666.
It is an interprime number because it is at equal distance from previous prime (47804928481) and next prime (47804928497).
It is not a de Polignac number, because 47804928489 - 23 = 47804928481 is a prime.
It is a super-2 number, since 2×478049284892 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (47804928481) 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 63 ways as a sum of consecutive naturals, for example, 7832539 + ... + 7838639.
It is an arithmetic number, because the mean of its divisors is an integer number (1202155020).
Almost surely, 247804928489 is an apocalyptic number.
It is an amenable number.
47804928489 is a deficient number, since it is larger than the sum of its proper divisors (29132992791).
47804928489 is a wasteful number, since it uses less digits than its factorization.
47804928489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6567 (or 6561 counting only the distinct ones).
The product of its (nonzero) digits is 37158912, while the sum is 63.
The spelling of 47804928489 in words is "forty-seven billion, eight hundred four million, nine hundred twenty-eight thousand, four hundred eighty-nine".
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