Base | Representation |
---|---|
bin | 101011111111001110… |
… | …101101010110111110 |
3 | 11111220122210220210020 |
4 | 223333032231112332 |
5 | 1233212310000341 |
6 | 33410431353010 |
7 | 3261305662134 |
oct | 537716552676 |
9 | 144818726706 |
10 | 47231718846 |
11 | 1903808a494 |
12 | 91a1982766 |
13 | 45b9399c40 |
14 | 2400c05754 |
15 | 1366823566 |
hex | aff3ad5be |
47231718846 has 64 divisors (see below), whose sum is σ = 103055597568. Its totient is φ = 14344622208.
The previous prime is 47231718797. The next prime is 47231718847. The reversal of 47231718846 is 64881713274.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47231718847) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1939381 + ... + 1963583.
It is an arithmetic number, because the mean of its divisors is an integer number (1610243712).
Almost surely, 247231718846 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47231718846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51527798784).
47231718846 is an abundant number, since it is smaller than the sum of its proper divisors (55823878722).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47231718846 is a wasteful number, since it uses less digits than its factorization.
47231718846 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24545.
The product of its digits is 1806336, while the sum is 51.
The spelling of 47231718846 in words is "forty-seven billion, two hundred thirty-one million, seven hundred eighteen thousand, eight hundred forty-six".
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