Base | Representation |
---|---|
bin | 101011111110000111… |
… | …010000010001101111 |
3 | 11111212100120021012210 |
4 | 223332013100101233 |
5 | 1233143011100003 |
6 | 33404522101503 |
7 | 3260660525613 |
oct | 537607202157 |
9 | 144770507183 |
10 | 47212987503 |
11 | 19028556340 |
12 | 919764a893 |
13 | 45b553c0c6 |
14 | 23dc52b343 |
15 | 1364d73503 |
hex | afe1d046f |
47212987503 has 64 divisors (see below), whose sum is σ = 74372401152. Its totient is φ = 26317946880.
The previous prime is 47212987499. The next prime is 47212987519. The reversal of 47212987503 is 30578921274.
It is a happy number.
It is not a de Polignac number, because 47212987503 - 22 = 47212987499 is a prime.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47212987303) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30400375 + ... + 30401927.
It is an arithmetic number, because the mean of its divisors is an integer number (1162068768).
Almost surely, 247212987503 is an apocalyptic number.
47212987503 is a deficient number, since it is larger than the sum of its proper divisors (27159413649).
47212987503 is a wasteful number, since it uses less digits than its factorization.
47212987503 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2784.
The product of its (nonzero) digits is 846720, while the sum is 48.
The spelling of 47212987503 in words is "forty-seven billion, two hundred twelve million, nine hundred eighty-seven thousand, five hundred three".
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