Base | Representation |
---|---|
bin | 101000111100000100… |
… | …0000010010111000111 |
3 | 22101220221001102220020 |
4 | 1101320020002113013 |
5 | 2420022131444123 |
6 | 104215405310223 |
7 | 6231415531062 |
oct | 1217010022707 |
9 | 271827042806 |
10 | 87914718663 |
11 | 34314626392 |
12 | 15056565373 |
13 | 83a0ab89b5 |
14 | 437dda38d9 |
15 | 24482707e3 |
hex | 14782025c7 |
87914718663 has 32 divisors (see below), whose sum is σ = 129703597056. Its totient is φ = 52732904448.
The previous prime is 87914718653. The next prime is 87914718691. The reversal of 87914718663 is 36681741978.
It is not a de Polignac number, because 87914718663 - 26 = 87914718599 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 87914718597 and 87914718606.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87914718653) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323406 + ... + 529547.
It is an arithmetic number, because the mean of its divisors is an integer number (4053237408).
Almost surely, 287914718663 is an apocalyptic number.
87914718663 is a deficient number, since it is larger than the sum of its proper divisors (41788878393).
87914718663 is a wasteful number, since it uses less digits than its factorization.
87914718663 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 853063.
The product of its digits is 12192768, while the sum is 60.
The spelling of 87914718663 in words is "eighty-seven billion, nine hundred fourteen million, seven hundred eighteen thousand, six hundred sixty-three".
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