Base | Representation |
---|---|
bin | 101000110101000111… |
… | …0001110011010111000 |
3 | 22101022200010200000122 |
4 | 1101222032032122320 |
5 | 2414032423204041 |
6 | 104140313552412 |
7 | 6222554053262 |
oct | 1215216163270 |
9 | 271280120018 |
10 | 87681459896 |
11 | 34204997648 |
12 | 14bb0415708 |
13 | 8364688364 |
14 | 435b004b32 |
15 | 2432a46c4b |
hex | 146a38e6b8 |
87681459896 has 16 divisors (see below), whose sum is σ = 164425014240. Its totient is φ = 43834789440.
The previous prime is 87681459883. The next prime is 87681459907. The reversal of 87681459896 is 69895418678.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679520 + ... + 798191.
It is an arithmetic number, because the mean of its divisors is an integer number (10276563390).
Almost surely, 287681459896 is an apocalyptic number.
It is an amenable number.
87681459896 is a deficient number, since it is larger than the sum of its proper divisors (76743554344).
87681459896 is a wasteful number, since it uses less digits than its factorization.
87681459896 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1485134 (or 1485130 counting only the distinct ones).
The product of its digits is 209018880, while the sum is 71.
The spelling of 87681459896 in words is "eighty-seven billion, six hundred eighty-one million, four hundred fifty-nine thousand, eight hundred ninety-six".
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