Base | Representation |
---|---|
bin | 101011111101101001… |
… | …000010111111100011 |
3 | 11111211210122221202102 |
4 | 223331221002333203 |
5 | 1233133444200041 |
6 | 33404040241015 |
7 | 3260533315130 |
oct | 537551027743 |
9 | 144753587672 |
10 | 47205068771 |
11 | 19024037933 |
12 | 9194a7016b |
13 | 45b39c8973 |
14 | 23db469587 |
15 | 136430c09b |
hex | afda42fe3 |
47205068771 has 16 divisors (see below), whose sum is σ = 55255673088. Its totient is φ = 39483007200.
The previous prime is 47205068731. The next prime is 47205068777. The reversal of 47205068771 is 17786050274.
It is a happy number.
It is not a de Polignac number, because 47205068771 - 26 = 47205068707 is a prime.
It is not an unprimeable number, because it can be changed into a prime (47205068777) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245456 + ... + 393266.
It is an arithmetic number, because the mean of its divisors is an integer number (3453479568).
Almost surely, 247205068771 is an apocalyptic number.
47205068771 is a deficient number, since it is larger than the sum of its proper divisors (8050604317).
47205068771 is a wasteful number, since it uses less digits than its factorization.
47205068771 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148922.
The product of its (nonzero) digits is 658560, while the sum is 47.
The spelling of 47205068771 in words is "forty-seven billion, two hundred five million, sixty-eight thousand, seven hundred seventy-one".
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