Base | Representation |
---|---|
bin | 10101101000000001011111… |
… | …10110010010011010110101 |
3 | 20020101011221110102010022022 |
4 | 22310000233312102122311 |
5 | 22213113441222133220 |
6 | 245050152501242525 |
7 | 13005466214122211 |
oct | 1264005766223265 |
9 | 206334843363268 |
10 | 47554680661685 |
11 | 141749105382aa |
12 | 54004ba403445 |
13 | 206c505730472 |
14 | ba5931b5b941 |
15 | 5770167bb925 |
hex | 2b402fd926b5 |
47554680661685 has 16 divisors (see below), whose sum is σ = 58609076620800. Its totient is φ = 37014811517376.
The previous prime is 47554680661651. The next prime is 47554680661687. The reversal of 47554680661685 is 58616608645574.
47554680661685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 47554680661685 - 228 = 47554412226229 is a prime.
It is a super-3 number, since 3×475546806616853 (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47554680661687) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7073606 + ... + 12047624.
It is an arithmetic number, because the mean of its divisors is an integer number (3663067288800).
Almost surely, 247554680661685 is an apocalyptic number.
It is an amenable number.
47554680661685 is a deficient number, since it is larger than the sum of its proper divisors (11054395959115).
47554680661685 is a wasteful number, since it uses less digits than its factorization.
47554680661685 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5025740.
The product of its (nonzero) digits is 1161216000, while the sum is 71.
The spelling of 47554680661685 in words is "forty-seven trillion, five hundred fifty-four billion, six hundred eighty million, six hundred sixty-one thousand, six hundred eighty-five".
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