Base | Representation |
---|---|
bin | 100011000010101000… |
… | …0100001100101111111 |
3 | 21012020022102110202222 |
4 | 1012011100201211333 |
5 | 2213103014130123 |
6 | 54322555435555 |
7 | 5302524453530 |
oct | 1060520414577 |
9 | 235208373688 |
10 | 75250145663 |
11 | 29a05822230 |
12 | 12701155bbb |
13 | 713306a014 |
14 | 38dbdd0687 |
15 | 1e564c96c8 |
hex | 118542197f |
75250145663 has 64 divisors (see below), whose sum is σ = 97371832320. Its totient is φ = 56462313600.
The previous prime is 75250145651. The next prime is 75250145731. The reversal of 75250145663 is 36654105257.
It is a happy number.
It is not a de Polignac number, because 75250145663 - 28 = 75250145407 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75250135663) 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 63 ways as a sum of consecutive naturals, for example, 113842553 + ... + 113843213.
It is an arithmetic number, because the mean of its divisors is an integer number (1521434880).
Almost surely, 275250145663 is an apocalyptic number.
75250145663 is a deficient number, since it is larger than the sum of its proper divisors (22121686657).
75250145663 is a wasteful number, since it uses less digits than its factorization.
75250145663 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1188.
The product of its (nonzero) digits is 756000, while the sum is 44.
The spelling of 75250145663 in words is "seventy-five billion, two hundred fifty million, one hundred forty-five thousand, six hundred sixty-three".
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