Base | Representation |
---|---|
bin | 101100011010001011… |
… | …111011011111101000 |
3 | 11120002011210220210111 |
4 | 230122023323133220 |
5 | 1240124044201034 |
6 | 33523345024104 |
7 | 3305440046461 |
oct | 543213733750 |
9 | 146064726714 |
10 | 47683975144 |
11 | 1924a3a7323 |
12 | 92a9325034 |
13 | 465bca6910 |
14 | 2444ccdd68 |
15 | 13913aa364 |
hex | b1a2fb7e8 |
47683975144 has 64 divisors (see below), whose sum is σ = 98698375440. Its totient is φ = 21457059840.
The previous prime is 47683975139. The next prime is 47683975193. The reversal of 47683975144 is 44157938674.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 4673363044 + 43010612100 = 68362^2 + 207390^2 .
It is a super-2 number, since 2×476839751442 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9109552 + ... + 9114784.
Almost surely, 247683975144 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47683975144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49349187720).
47683975144 is an abundant number, since it is smaller than the sum of its proper divisors (51014400296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47683975144 is a wasteful number, since it uses less digits than its factorization.
47683975144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7430 (or 7426 counting only the distinct ones).
The product of its digits is 20321280, while the sum is 58.
The spelling of 47683975144 in words is "forty-seven billion, six hundred eighty-three million, nine hundred seventy-five thousand, one hundred forty-four".
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