Base | Representation |
---|---|
bin | 101011110111011001… |
… | …101111010011101101 |
3 | 11111120111200212011100 |
4 | 223313121233103231 |
5 | 1232430200031220 |
6 | 33345420513313 |
7 | 3255122506053 |
oct | 536731572355 |
9 | 144514625140 |
10 | 47100392685 |
11 | 18a7aa42175 |
12 | 91659ab839 |
13 | 4598108958 |
14 | 23cb5bc1d3 |
15 | 135a031d90 |
hex | af766f4ed |
47100392685 has 48 divisors (see below), whose sum is σ = 83087025840. Its totient is φ = 24676254720.
The previous prime is 47100392681. The next prime is 47100392693. The reversal of 47100392685 is 58629300174.
It can be written as a sum of positive squares in 8 ways, for example, as 13480603236 + 33619789449 = 116106^2 + 183357^2 .
It is not a de Polignac number, because 47100392685 - 22 = 47100392681 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 47100392685.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47100392681) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2177001 + ... + 2198529.
It is an arithmetic number, because the mean of its divisors is an integer number (1730979705).
It is a 1-persistent number, because it is pandigital, but 2⋅47100392685 = 94200785370 is not.
Almost surely, 247100392685 is an apocalyptic number.
47100392685 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
47100392685 is a deficient number, since it is larger than the sum of its proper divisors (35986633155).
47100392685 is a wasteful number, since it uses less digits than its factorization.
47100392685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22398 (or 22395 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The spelling of 47100392685 in words is "forty-seven billion, one hundred million, three hundred ninety-two thousand, six hundred eighty-five".
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