Base | Representation |
---|---|
bin | 101011110110100001… |
… | …011111000010101001 |
3 | 11111112110221122111120 |
4 | 223312201133002221 |
5 | 1232412411132433 |
6 | 33344132445453 |
7 | 3254553246561 |
oct | 536641370251 |
9 | 144473848446 |
10 | 47085645993 |
11 | 18a7268a821 |
12 | 9160a79889 |
13 | 45950446b9 |
14 | 23c965dda1 |
15 | 1358abc7b3 |
hex | af685f0a9 |
47085645993 has 8 divisors (see below), whose sum is σ = 62784264000. Its totient is φ = 31388729328.
The previous prime is 47085645973. The next prime is 47085646019. The reversal of 47085645993 is 39954658074.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 47085645993 - 217 = 47085514921 is a prime.
It is not an unprimeable number, because it can be changed into a prime (47085645913) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359293 + ... + 472506.
It is an arithmetic number, because the mean of its divisors is an integer number (7848033000).
Almost surely, 247085645993 is an apocalyptic number.
It is an amenable number.
47085645993 is a deficient number, since it is larger than the sum of its proper divisors (15698618007).
47085645993 is a wasteful number, since it uses less digits than its factorization.
47085645993 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 850671.
The product of its (nonzero) digits is 32659200, while the sum is 60.
The spelling of 47085645993 in words is "forty-seven billion, eighty-five million, six hundred forty-five thousand, nine hundred ninety-three".
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