Base | Representation |
---|---|
bin | 100010111110010010… |
… | …0011010010101101001 |
3 | 21011212011002222202201 |
4 | 1011330210122111221 |
5 | 2212303204121011 |
6 | 54300311100201 |
7 | 5266104363001 |
oct | 1057444322551 |
9 | 234764088681 |
10 | 75104363881 |
11 | 29940501218 |
12 | 12680371661 |
13 | 710bab7101 |
14 | 38c68c3001 |
15 | 1e487cecc1 |
hex | 117c91a569 |
75104363881 has 2 divisors, whose sum is σ = 75104363882. Its totient is φ = 75104363880.
The previous prime is 75104363861. The next prime is 75104363899. The reversal of 75104363881 is 18836340157.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 75054081600 + 50282281 = 273960^2 + 7091^2 .
It is an emirp because it is prime and its reverse (18836340157) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-75104363881 is a prime.
It is a super-2 number, since 2×751043638812 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (75104363861) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37552181940 + 37552181941.
It is an arithmetic number, because the mean of its divisors is an integer number (37552181941).
Almost surely, 275104363881 is an apocalyptic number.
It is an amenable number.
75104363881 is a deficient number, since it is larger than the sum of its proper divisors (1).
75104363881 is an equidigital number, since it uses as much as digits as its factorization.
75104363881 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 483840, while the sum is 46.
The spelling of 75104363881 in words is "seventy-five billion, one hundred four million, three hundred sixty-three thousand, eight hundred eighty-one".
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