Base | Representation |
---|---|
bin | 101011111110100100… |
… | …011101000110101000 |
3 | 11111212212222011111200 |
4 | 223332210131012220 |
5 | 1233201441022331 |
6 | 33405354124200 |
7 | 3261112556556 |
oct | 537644350650 |
9 | 144785864450 |
10 | 47220642216 |
11 | 19031904450 |
12 | 919a120660 |
13 | 45b6cbc317 |
14 | 23dd560bd6 |
15 | 13658865e6 |
hex | afe91d1a8 |
47220642216 has 48 divisors (see below), whose sum is σ = 139515536160. Its totient is φ = 14309285280.
The previous prime is 47220642199. The next prime is 47220642281. The reversal of 47220642216 is 61224602274.
47220642216 is a `hidden beast` number, since 4 + 7 + 2 + 2 + 0 + 642 + 2 + 1 + 6 = 666.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
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 11 ways as a sum of consecutive naturals, for example, 29810220 + ... + 29811803.
It is an arithmetic number, because the mean of its divisors is an integer number (2906573670).
Almost surely, 247220642216 is an apocalyptic number.
It is an amenable number.
47220642216 is an abundant number, since it is smaller than the sum of its proper divisors (92294893944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47220642216 is a wasteful number, since it uses less digits than its factorization.
47220642216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59622046 (or 59622039 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 36.
The spelling of 47220642216 in words is "forty-seven billion, two hundred twenty million, six hundred forty-two thousand, two hundred sixteen".
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