Base | Representation |
---|---|
bin | 10001001010000000011010… |
… | …101100111100011001010001 |
3 | 100220011101002012102210200001 |
4 | 101022000122230330121101 |
5 | 34342221134430223312 |
6 | 424251142125530001 |
7 | 21615255125656003 |
oct | 2112003254743121 |
9 | 326141065383601 |
10 | 75454433445457 |
11 | 22051055650240 |
12 | 85676a9113901 |
13 | 331442681c311 |
14 | 148c02a844373 |
15 | 8acb227e9057 |
hex | 44a01ab3c651 |
75454433445457 has 16 divisors (see below), whose sum is σ = 82446911426880. Its totient is φ = 68484207355200.
The previous prime is 75454433445319. The next prime is 75454433445481.
75454433445457 is nontrivially palindromic in base 10.
It is a cyclic number.
It is not a de Polignac number, because 75454433445457 - 231 = 75452285961809 is a prime.
It is not an unprimeable number, because it can be changed into a prime (75454433442457) 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 15 ways as a sum of consecutive naturals, for example, 14984982 + ... + 19376752.
It is an arithmetic number, because the mean of its divisors is an integer number (5152931964180).
Almost surely, 275454433445457 is an apocalyptic number.
It is an amenable number.
75454433445457 is a deficient number, since it is larger than the sum of its proper divisors (6992477981423).
75454433445457 is a wasteful number, since it uses less digits than its factorization.
75454433445457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4394304.
The product of its digits is 1128960000, while the sum is 64.
The spelling of 75454433445457 in words is "seventy-five trillion, four hundred fifty-four billion, four hundred thirty-three million, four hundred forty-five thousand, four hundred fifty-seven".
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