Base | Representation |
---|---|
bin | 101100100010010011… |
… | …111010110111100100 |
3 | 11120102200022022010210 |
4 | 230202103322313210 |
5 | 1240413443144320 |
6 | 33545054415420 |
7 | 3312013510461 |
oct | 544223726744 |
9 | 146380268123 |
10 | 47820287460 |
11 | 1930a33a830 |
12 | 9326b01570 |
13 | 46812c25aa |
14 | 2459054668 |
15 | 139d3340e0 |
hex | b224fade4 |
47820287460 has 96 divisors (see below), whose sum is σ = 146217762432. Its totient is φ = 11581009920.
The previous prime is 47820287447. The next prime is 47820287467. The reversal of 47820287460 is 6478202874.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (47820287467) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 621684 + ... + 694356.
It is an arithmetic number, because the mean of its divisors is an integer number (1523101692).
Almost surely, 247820287460 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 47820287460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73108881216).
47820287460 is an abundant number, since it is smaller than the sum of its proper divisors (98397474972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47820287460 is a wasteful number, since it uses less digits than its factorization.
47820287460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73693 (or 73691 counting only the distinct ones).
The product of its (nonzero) digits is 1204224, while the sum is 48.
The spelling of 47820287460 in words is "forty-seven billion, eight hundred twenty million, two hundred eighty-seven thousand, four hundred sixty".
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