Base | Representation |
---|---|
bin | 101000111110011001… |
… | …1011100000111100111 |
3 | 22102010101201222012212 |
4 | 1101330303130013213 |
5 | 2420202230031343 |
6 | 104231251434035 |
7 | 6233360621630 |
oct | 1217463340747 |
9 | 272111658185 |
10 | 87993205223 |
11 | 34354963510 |
12 | 150788b591b |
13 | 83b4139251 |
14 | 438a594887 |
15 | 24500c5c18 |
hex | 147ccdc1e7 |
87993205223 has 16 divisors (see below), whose sum is σ = 109782190080. Its totient is φ = 68518399200.
The previous prime is 87993205193. The next prime is 87993205241. The reversal of 87993205223 is 32250239978.
It is a cyclic number.
It is not a de Polignac number, because 87993205223 - 28 = 87993204967 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87993205243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286268 + ... + 507873.
It is an arithmetic number, because the mean of its divisors is an integer number (6861386880).
Almost surely, 287993205223 is an apocalyptic number.
87993205223 is a deficient number, since it is larger than the sum of its proper divisors (21788984857).
87993205223 is a wasteful number, since it uses less digits than its factorization.
87993205223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 795598.
The product of its (nonzero) digits is 1632960, while the sum is 50.
The spelling of 87993205223 in words is "eighty-seven billion, nine hundred ninety-three million, two hundred five thousand, two hundred twenty-three".
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