Base | Representation |
---|---|
bin | 101100100101011000… |
… | …010111000010101111 |
3 | 11120120021012112212020 |
4 | 230211120113002233 |
5 | 1241020134024322 |
6 | 33554134241223 |
7 | 3313210304502 |
oct | 544530270257 |
9 | 146507175766 |
10 | 47871783087 |
11 | 193364121a7 |
12 | 93401b6213 |
13 | 468bb8268b |
14 | 2461c1b139 |
15 | 13a2b0705c |
hex | b256170af |
47871783087 has 8 divisors (see below), whose sum is σ = 63837661104. Its totient is φ = 31910213568.
The previous prime is 47871783073. The next prime is 47871783101. The reversal of 47871783087 is 78038717874.
47871783087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (47871783073) and next prime (47871783101).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 47871783087 - 211 = 47871781039 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 47871783087.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47871783007) 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, 1051108 + ... + 1095705.
It is an arithmetic number, because the mean of its divisors is an integer number (7979707638).
Almost surely, 247871783087 is an apocalyptic number.
47871783087 is a deficient number, since it is larger than the sum of its proper divisors (15965878017).
47871783087 is a wasteful number, since it uses less digits than its factorization.
47871783087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2154249.
The product of its (nonzero) digits is 14751744, while the sum is 60.
The spelling of 47871783087 in words is "forty-seven billion, eight hundred seventy-one million, seven hundred eighty-three thousand, eighty-seven".
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