Base | Representation |
---|---|
bin | 101000100011101010… |
… | …1101101010001001001 |
3 | 22022210212220100000200 |
4 | 1101013111231101021 |
5 | 2411333112444242 |
6 | 104002250122413 |
7 | 6202216433565 |
oct | 1210725552111 |
9 | 268725810020 |
10 | 87096218697 |
11 | 33a345aa234 |
12 | 14a68420409 |
13 | 82a03593a7 |
14 | 43033c06a5 |
15 | 23eb49204c |
hex | 144756d449 |
87096218697 has 12 divisors (see below), whose sum is σ = 128874080244. Its totient is φ = 56647946880.
The previous prime is 87096218689. The next prime is 87096218707. The reversal of 87096218697 is 79681269078.
It can be written as a sum of positive squares in 2 ways, for example, as 1343295801 + 85752922896 = 36651^2 + 292836^2 .
It is not a de Polignac number, because 87096218697 - 23 = 87096218689 is a prime.
It is a super-2 number, since 2×870962186972 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (87096218597) 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 in 11 ways as a sum of consecutive naturals, for example, 118016188 + ... + 118016925.
It is an arithmetic number, because the mean of its divisors is an integer number (10739506687).
Almost surely, 287096218697 is an apocalyptic number.
It is an amenable number.
87096218697 is a deficient number, since it is larger than the sum of its proper divisors (41777861547).
87096218697 is a wasteful number, since it uses less digits than its factorization.
87096218697 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 236033160 (or 236033157 counting only the distinct ones).
The product of its (nonzero) digits is 18289152, while the sum is 63.
The spelling of 87096218697 in words is "eighty-seven billion, ninety-six million, two hundred eighteen thousand, six hundred ninety-seven".
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