Base | Representation |
---|---|
bin | 101011111101010001… |
… | …010100111001101010 |
3 | 11111211100222001010020 |
4 | 223331101110321222 |
5 | 1233130401210131 |
6 | 33403255101310 |
7 | 3260426416422 |
oct | 537521247152 |
9 | 144740861106 |
10 | 47198850666 |
11 | 19020580100 |
12 | 9192971836 |
13 | 45b262c606 |
14 | 23da6cb482 |
15 | 13639ce996 |
hex | afd454e6a |
47198850666 has 96 divisors (see below), whose sum is σ = 108403384320. Its totient is φ = 13664075040.
The previous prime is 47198850661. The next prime is 47198850667. The reversal of 47198850666 is 66605889174.
It is not an unprimeable number, because it can be changed into a prime (47198850661) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22023591 + ... + 22025733.
It is an arithmetic number, because the mean of its divisors is an integer number (1129201920).
Almost surely, 247198850666 is an apocalyptic number.
47198850666 is a gapful number since it is divisible by the number (46) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 47198850666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54201692160).
47198850666 is an abundant number, since it is smaller than the sum of its proper divisors (61204533654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47198850666 is a wasteful number, since it uses less digits than its factorization.
47198850666 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3512 (or 3501 counting only the distinct ones).
The product of its (nonzero) digits is 17418240, while the sum is 60.
The spelling of 47198850666 in words is "forty-seven billion, one hundred ninety-eight million, eight hundred fifty thousand, six hundred sixty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •