Base | Representation |
---|---|
bin | 101100101100001110… |
… | …111001001000111001 |
3 | 11120212021112001120222 |
4 | 230230032321020321 |
5 | 1241234101214232 |
6 | 34013402225425 |
7 | 3316104401240 |
oct | 545416711071 |
9 | 146767461528 |
10 | 47986741817 |
11 | 193952a0413 |
12 | 93727b5275 |
13 | 46a9932ab1 |
14 | 24731c3957 |
15 | 13acc63d12 |
hex | b2c3b9239 |
47986741817 has 32 divisors (see below), whose sum is σ = 58672373760. Its totient is φ = 38350730880.
The previous prime is 47986741801. The next prime is 47986741883. The reversal of 47986741817 is 71814768974.
47986741817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 47986741817 - 24 = 47986741801 is a prime.
It is a super-2 number, since 2×479867418172 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 47986741817.
It is not an unprimeable number, because it can be changed into a prime (47986731817) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10288628 + ... + 10293290.
It is an arithmetic number, because the mean of its divisors is an integer number (1833511680).
Almost surely, 247986741817 is an apocalyptic number.
It is an amenable number.
47986741817 is a deficient number, since it is larger than the sum of its proper divisors (10685631943).
47986741817 is a wasteful number, since it uses less digits than its factorization.
47986741817 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6293.
The product of its digits is 18966528, while the sum is 62.
The spelling of 47986741817 in words is "forty-seven billion, nine hundred eighty-six million, seven hundred forty-one thousand, eight hundred seventeen".
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