Base | Representation |
---|---|
bin | 101000110100100110… |
… | …0001110000101110011 |
3 | 22101021110120120222020 |
4 | 1101221030032011303 |
5 | 2414014011011133 |
6 | 104134455042523 |
7 | 6222254016531 |
oct | 1215114160563 |
9 | 271243516866 |
10 | 87664157043 |
11 | 341a6149771 |
12 | 14ba6670443 |
13 | 8360c0a798 |
14 | 43589bd151 |
15 | 243127a0b3 |
hex | 146930e173 |
87664157043 has 8 divisors (see below), whose sum is σ = 120916078800. Its totient is φ = 56427503328.
The previous prime is 87664156997. The next prime is 87664157059. The reversal of 87664157043 is 34075146678.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87664157043 - 28 = 87664156787 is a prime.
It is not an unprimeable number, because it can be changed into a prime (87664857043) 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 7 ways as a sum of consecutive naturals, for example, 503816908 + ... + 503817081.
It is an arithmetic number, because the mean of its divisors is an integer number (15114509850).
Almost surely, 287664157043 is an apocalyptic number.
87664157043 is a deficient number, since it is larger than the sum of its proper divisors (33251921757).
87664157043 is a wasteful number, since it uses less digits than its factorization.
87664157043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1007634021.
The product of its (nonzero) digits is 3386880, while the sum is 51.
The spelling of 87664157043 in words is "eighty-seven billion, six hundred sixty-four million, one hundred fifty-seven thousand, forty-three".
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