Base | Representation |
---|---|
bin | 100011000111101111… |
… | …0000101100010000011 |
3 | 21012200020210210120011 |
4 | 1012033132011202003 |
5 | 2213430344113044 |
6 | 54351555525351 |
7 | 5310004641043 |
oct | 1061736054203 |
9 | 235606723504 |
10 | 75421472899 |
11 | 29a93500993 |
12 | 1274a5b9857 |
13 | 715c6c5496 |
14 | 3916a6b723 |
15 | 1e6656d134 |
hex | 118f785883 |
75421472899 has 2 divisors, whose sum is σ = 75421472900. Its totient is φ = 75421472898.
The previous prime is 75421472803. The next prime is 75421472939. The reversal of 75421472899 is 99827412457.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 75421472899 - 213 = 75421464707 is a prime.
It is not a weakly prime, because it can be changed into another prime (75421479899) 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 as a sum of consecutive naturals, namely, 37710736449 + 37710736450.
It is an arithmetic number, because the mean of its divisors is an integer number (37710736450).
Almost surely, 275421472899 is an apocalyptic number.
75421472899 is a deficient number, since it is larger than the sum of its proper divisors (1).
75421472899 is an equidigital number, since it uses as much as digits as its factorization.
75421472899 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 10160640, while the sum is 58.
The spelling of 75421472899 in words is "seventy-five billion, four hundred twenty-one million, four hundred seventy-two thousand, eight hundred ninety-nine".
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