Base | Representation |
---|---|
bin | 101100011100010001… |
… | …110011010100010011 |
3 | 11120011121211212102222 |
4 | 230130101303110103 |
5 | 1240212040201242 |
6 | 33531041131255 |
7 | 3306344251664 |
oct | 543421632423 |
9 | 146147755388 |
10 | 47719068947 |
11 | 19268196870 |
12 | 92b9029b2b |
13 | 4666343294 |
14 | 244982736b |
15 | 13944dd5d2 |
hex | b1c473513 |
47719068947 has 8 divisors (see below), whose sum is σ = 52062886512. Its totient is φ = 43376204800.
The previous prime is 47719068899. The next prime is 47719068983. The reversal of 47719068947 is 74986091774.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 47719068947 - 210 = 47719067923 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 47719068947.
It is not an unprimeable number, because it can be changed into a prime (47719067947) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131618 + ... + 335799.
It is an arithmetic number, because the mean of its divisors is an integer number (6507860814).
Almost surely, 247719068947 is an apocalyptic number.
47719068947 is a deficient number, since it is larger than the sum of its proper divisors (4343817565).
47719068947 is a wasteful number, since it uses less digits than its factorization.
47719068947 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 476709.
The product of its (nonzero) digits is 21337344, while the sum is 62.
The spelling of 47719068947 in words is "forty-seven billion, seven hundred nineteen million, sixty-eight thousand, nine hundred forty-seven".
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