Base | Representation |
---|---|
bin | 101011110101010110… |
… | …001100010111110000 |
3 | 11111111002210220001110 |
4 | 223311112030113300 |
5 | 1232342333034340 |
6 | 33342145433320 |
7 | 3254223423525 |
oct | 536526142760 |
9 | 144432726043 |
10 | 47065908720 |
11 | 18a62529926 |
12 | 915633b840 |
13 | 4590c23a3c |
14 | 23c6ba314c |
15 | 1356ebe680 |
hex | af558c5f0 |
47065908720 has 80 divisors (see below), whose sum is σ = 150610931712. Its totient is φ = 12146039040.
The previous prime is 47065908677. The next prime is 47065908749. The reversal of 47065908720 is 2780956074.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a self number, because there is not a number n which added to its sum of digits gives 47065908720.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 3155592 + ... + 3170471.
Almost surely, 247065908720 is an apocalyptic number.
47065908720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
47065908720 is an abundant number, since it is smaller than the sum of its proper divisors (103545022992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47065908720 is a wasteful number, since it uses less digits than its factorization.
47065908720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6326110 (or 6326104 counting only the distinct ones).
The product of its (nonzero) digits is 846720, while the sum is 48.
The spelling of 47065908720 in words is "forty-seven billion, sixty-five million, nine hundred eight thousand, seven hundred twenty".
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