Base | Representation |
---|---|
bin | 100011000011100111… |
… | …0111100101101100100 |
3 | 21012022121210012222121 |
4 | 1012013032330231210 |
5 | 2213140010140014 |
6 | 54330142035324 |
7 | 5303406244261 |
oct | 1060716745544 |
9 | 235277705877 |
10 | 75283286884 |
11 | 29a224a8773 |
12 | 12710278b44 |
13 | 7139ba1a00 |
14 | 390257a268 |
15 | 1e59374124 |
hex | 11873bcb64 |
75283286884 has 81 divisors (see below), whose sum is σ = 145879830369. Its totient is φ = 33978971520.
The previous prime is 75283286851. The next prime is 75283286887. The reversal of 75283286884 is 48868238257.
The square root of 75283286884 is 274378.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 13 ways, for example, as 69895726884 + 5387560000 = 264378^2 + 73400^2 .
It is a Harshad number since it is a multiple of its sum of digits (61).
It is not an unprimeable number, because it can be changed into a prime (75283286887) 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 26 ways as a sum of consecutive naturals, for example, 435163422 + ... + 435163594.
Almost surely, 275283286884 is an apocalyptic number.
75283286884 is the 274378-th square number.
It is an amenable number.
75283286884 is a deficient number, since it is larger than the sum of its proper divisors (70596543485).
75283286884 is a wasteful number, since it uses less digits than its factorization.
75283286884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 498 (or 249 counting only the distinct ones).
The product of its digits is 41287680, while the sum is 61.
The spelling of 75283286884 in words is "seventy-five billion, two hundred eighty-three million, two hundred eighty-six thousand, eight hundred eighty-four".
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