Base | Representation |
---|---|
bin | 10011110110111101100001… |
… | …111101001111110110111101 |
3 | 102110020121022001212202021021 |
4 | 103312331201331033312331 |
5 | 42421433404133103403 |
6 | 505431203552304141 |
7 | 24253043514531001 |
oct | 2366754175176675 |
9 | 373217261782237 |
10 | 87339803409853 |
11 | 2591366a098725 |
12 | 9967057542051 |
13 | 3997153709767 |
14 | 177d3aa364701 |
15 | a16d96de98bd |
hex | 4f6f61f4fdbd |
87339803409853 has 2 divisors, whose sum is σ = 87339803409854. Its totient is φ = 87339803409852.
The previous prime is 87339803409721. The next prime is 87339803409889. The reversal of 87339803409853 is 35890430893378.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 66854792484484 + 20485010925369 = 8176478^2 + 4526037^2 .
It is a cyclic number.
It is not a de Polignac number, because 87339803409853 - 229 = 87339266538941 is a prime.
It is a super-3 number, since 3×873398034098533 (a number of 43 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (87339803409653) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43669901704926 + 43669901704927.
It is an arithmetic number, because the mean of its divisors is an integer number (43669901704927).
Almost surely, 287339803409853 is an apocalyptic number.
It is an amenable number.
87339803409853 is a deficient number, since it is larger than the sum of its proper divisors (1).
87339803409853 is an equidigital number, since it uses as much as digits as its factorization.
87339803409853 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 470292480, while the sum is 70.
The spelling of 87339803409853 in words is "eighty-seven trillion, three hundred thirty-nine billion, eight hundred three million, four hundred nine thousand, eight hundred fifty-three".
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