Base | Representation |
---|---|
bin | 101100011011011101… |
… | …000000111100100100 |
3 | 11120010122210211112121 |
4 | 230123131000330210 |
5 | 1240200014344030 |
6 | 33525424355324 |
7 | 3306115526350 |
oct | 543335007444 |
9 | 146118724477 |
10 | 47705231140 |
11 | 192603a5266 |
12 | 92b4475b44 |
13 | 4663509928 |
14 | 2447a64460 |
15 | 13931a847a |
hex | b1b740f24 |
47705231140 has 48 divisors (see below), whose sum is σ = 117155187072. Its totient is φ = 15975703296.
The previous prime is 47705231129. The next prime is 47705231191. The reversal of 47705231140 is 4113250774.
It is a junction number, because it is equal to n+sod(n) for n = 47705231096 and 47705231105.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 3956209 + ... + 3968248.
It is an arithmetic number, because the mean of its divisors is an integer number (2440733064).
Almost surely, 247705231140 is an apocalyptic number.
It is an amenable number.
47705231140 is an abundant number, since it is smaller than the sum of its proper divisors (69449955932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47705231140 is a wasteful number, since it uses less digits than its factorization.
47705231140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7924516 (or 7924514 counting only the distinct ones).
The product of its (nonzero) digits is 23520, while the sum is 34.
The spelling of 47705231140 in words is "forty-seven billion, seven hundred five million, two hundred thirty-one thousand, one hundred forty".
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