Base | Representation |
---|---|
bin | 101100101100001000… |
… | …100011100010100001 |
3 | 11120212011101122200000 |
4 | 230230020203202201 |
5 | 1241233140033411 |
6 | 34013302450213 |
7 | 3316054311552 |
oct | 545410434241 |
9 | 146764348600 |
10 | 47985080481 |
11 | 19394366208 |
12 | 9372133969 |
13 | 46a94a0860 |
14 | 2472cb0329 |
15 | 13aca36956 |
hex | b2c2238a1 |
47985080481 has 192 divisors, whose sum is σ = 87257544192. Its totient is φ = 26046738432.
The previous prime is 47985080471. The next prime is 47985080483. The reversal of 47985080481 is 18408058974.
47985080481 is a `hidden beast` number, since 4 + 7 + 9 + 85 + 0 + 80 + 481 = 666.
It is not a de Polignac number, because 47985080481 - 218 = 47984818337 is a prime.
It is a super-2 number, since 2×479850804812 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (47985080483) by changing a digit.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 65463591 + ... + 65464323.
It is an arithmetic number, because the mean of its divisors is an integer number (454466376).
Almost surely, 247985080481 is an apocalyptic number.
It is an amenable number.
47985080481 is a deficient number, since it is larger than the sum of its proper divisors (39272463711).
47985080481 is a wasteful number, since it uses less digits than its factorization.
47985080481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 854 (or 842 counting only the distinct ones).
The product of its (nonzero) digits is 2580480, while the sum is 54.
The spelling of 47985080481 in words is "forty-seven billion, nine hundred eighty-five million, eighty thousand, four hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •