Base | Representation |
---|---|
bin | 10101101100110101110011… |
… | …10110110011000011000011 |
3 | 20020222000012010021222222020 |
4 | 22312122321312303003003 |
5 | 22223321434412332022 |
6 | 245254205350212523 |
7 | 13023446106136326 |
oct | 1266327166630303 |
9 | 206860163258866 |
10 | 47720204808387 |
11 | 14229030607661 |
12 | 54285b4054143 |
13 | 2081cc42b6737 |
14 | bad9551b27bd |
15 | 57b4a31e835c |
hex | 2b66b9db30c3 |
47720204808387 has 8 divisors (see below), whose sum is σ = 63626973219840. Its totient is φ = 31813453134600.
The previous prime is 47720204808371. The next prime is 47720204808457. The reversal of 47720204808387 is 78380840202774.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 47720204808387 - 24 = 47720204808371 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 47720204808387.
It is not an unprimeable number, because it can be changed into a prime (47720204803387) 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, 6030262 + ... + 11480612.
It is an arithmetic number, because the mean of its divisors is an integer number (7953371652480).
Almost surely, 247720204808387 is an apocalyptic number.
47720204808387 is a deficient number, since it is larger than the sum of its proper divisors (15906768411453).
47720204808387 is a wasteful number, since it uses less digits than its factorization.
47720204808387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8368833.
The product of its (nonzero) digits is 33718272, while the sum is 60.
The spelling of 47720204808387 in words is "forty-seven trillion, seven hundred twenty billion, two hundred four million, eight hundred eight thousand, three hundred eighty-seven".
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