Base | Representation |
---|---|
bin | 101011111011100110… |
… | …110100011111111000 |
3 | 11111202102102120002200 |
4 | 223323212310133320 |
5 | 1233101224240210 |
6 | 33400420430200 |
7 | 3256640203146 |
oct | 537346643770 |
9 | 144672376080 |
10 | 47170930680 |
11 | 19006840435 |
12 | 9185548360 |
13 | 45a9905303 |
14 | 23d6b00596 |
15 | 13613170c0 |
hex | afb9b47f8 |
47170930680 has 192 divisors, whose sum is σ = 156726329760. Its totient is φ = 12299848704.
The previous prime is 47170930669. The next prime is 47170930687. The reversal of 47170930680 is 8603907174.
47170930680 is a `hidden beast` number, since 471 + 70 + 9 + 30 + 6 + 80 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47170930687) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5853534 + ... + 5861586.
Almost surely, 247170930680 is an apocalyptic number.
47170930680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47170930680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78363164880).
47170930680 is an abundant number, since it is smaller than the sum of its proper divisors (109555399080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47170930680 is a wasteful number, since it uses less digits than its factorization.
47170930680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8430 (or 8423 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 45.
The spelling of 47170930680 in words is "forty-seven billion, one hundred seventy million, nine hundred thirty thousand, six hundred eighty".
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