Base | Representation |
---|---|
bin | 10101110000111100001111… |
… | …11111010100100010100001 |
3 | 20021110110212111102011002201 |
4 | 22320132013333110202201 |
5 | 22233124014114241224 |
6 | 245443030424213201 |
7 | 13036564504315111 |
oct | 1270360777244241 |
9 | 207413774364081 |
10 | 47861102102689 |
11 | 14282863445237 |
12 | 544b97630a201 |
13 | 2092389a356b5 |
14 | bb66bda55041 |
15 | 57ee9caaea44 |
hex | 2b8787fd48a1 |
47861102102689 has 8 divisors (see below), whose sum is σ = 50679508091400. Its totient is φ = 45043034674176.
The previous prime is 47861102102563. The next prime is 47861102102731. The reversal of 47861102102689 is 98620120116874.
It can be written as a sum of positive squares in 4 ways, for example, as 2156809457664 + 45704292645025 = 1468608^2 + 6760495^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-47861102102689 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (47861102102389) 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, 84348964 + ... + 84914485.
It is an arithmetic number, because the mean of its divisors is an integer number (6334938511425).
Almost surely, 247861102102689 is an apocalyptic number.
It is an amenable number.
47861102102689 is a deficient number, since it is larger than the sum of its proper divisors (2818405988711).
47861102102689 is a wasteful number, since it uses less digits than its factorization.
47861102102689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169280099.
The product of its (nonzero) digits is 2322432, while the sum is 55.
The spelling of 47861102102689 in words is "forty-seven trillion, eight hundred sixty-one billion, one hundred two million, one hundred two thousand, six hundred eighty-nine".
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