Base | Representation |
---|---|
bin | 111011010101010000… |
… | …100011010110110000 |
3 | 20002102212202200020110 |
4 | 323111100203112300 |
5 | 2020433100201042 |
6 | 45133343141320 |
7 | 4413505130325 |
oct | 732520432660 |
9 | 202385680213 |
10 | 63707428272 |
11 | 25022200874 |
12 | 1041b5a4840 |
13 | 6013881c27 |
14 | 3125008b4c |
15 | 19cce8509c |
hex | ed54235b0 |
63707428272 has 20 divisors (see below), whose sum is σ = 164577523160. Its totient is φ = 21235809408.
The previous prime is 63707428229. The next prime is 63707428273. The reversal of 63707428272 is 27282470736.
It is a hoax number, since the sum of its digits (48) 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 (48), and also a Moran number because the ratio is a prime number: 1327238089 = 63707428272 / (6 + 3 + 7 + 0 + 7 + 4 + 2 + 8 + 2 + 7 + 2).
It is not an unprimeable number, because it can be changed into a prime (63707428273) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663618997 + ... + 663619092.
It is an arithmetic number, because the mean of its divisors is an integer number (8228876158).
Almost surely, 263707428272 is an apocalyptic number.
It is an amenable number.
63707428272 is an abundant number, since it is smaller than the sum of its proper divisors (100870094888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63707428272 is a wasteful number, since it uses less digits than its factorization.
63707428272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1327238100 (or 1327238094 counting only the distinct ones).
The product of its (nonzero) digits is 1580544, while the sum is 48.
The spelling of 63707428272 in words is "sixty-three billion, seven hundred seven million, four hundred twenty-eight thousand, two hundred seventy-two".
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