Base | Representation |
---|---|
bin | 101000111011011111… |
… | …0001110000100111000 |
3 | 22101212120122022202201 |
4 | 1101312332032010320 |
5 | 2420002203233432 |
6 | 104213434435544 |
7 | 6231062205115 |
oct | 1216676160470 |
9 | 271776568681 |
10 | 87895367992 |
11 | 343047099a3 |
12 | 1504bb92bb4 |
13 | 8399aa1cb3 |
14 | 437b5a790c |
15 | 24466ebee7 |
hex | 1476f8e138 |
87895367992 has 16 divisors (see below), whose sum is σ = 167505517800. Its totient is φ = 43227229920.
The previous prime is 87895367969. The next prime is 87895367993. The reversal of 87895367992 is 29976359878.
It is a super-2 number, since 2×878953679922 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87895367993) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90056242 + ... + 90057217.
Almost surely, 287895367992 is an apocalyptic number.
It is an amenable number.
87895367992 is a deficient number, since it is larger than the sum of its proper divisors (79610149808).
87895367992 is a wasteful number, since it uses less digits than its factorization.
87895367992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 180113526 (or 180113522 counting only the distinct ones).
The product of its digits is 411505920, while the sum is 73.
The spelling of 87895367992 in words is "eighty-seven billion, eight hundred ninety-five million, three hundred sixty-seven thousand, nine hundred ninety-two".
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