Base | Representation |
---|---|
bin | 10011110101010111111011… |
… | …010000100011001000000000 |
3 | 102102212011200220021222121020 |
4 | 103311113323100203020000 |
5 | 42413141441243440411 |
6 | 505305122213225440 |
7 | 24242132135040333 |
oct | 2365277320431000 |
9 | 372764626258536 |
10 | 87230706233856 |
11 | 25881375629659 |
12 | 9949a8b032280 |
13 | 3989a88284753 |
14 | 1777dbb03461a |
15 | a1410e1da606 |
hex | 4f55fb423200 |
87230706233856 has 160 divisors (see below), whose sum is σ = 244637838783360. Its totient is φ = 27566557691904.
The previous prime is 87230706233843. The next prime is 87230706233873. The reversal of 87230706233856 is 65833260703278.
It is a super-2 number, since 2×872307062338562 (a number of 29 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 87230706233856.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6933451 + ... + 14917578.
It is an arithmetic number, because the mean of its divisors is an integer number (1528986492396).
Almost surely, 287230706233856 is an apocalyptic number.
It is an amenable number.
87230706233856 is an abundant number, since it is smaller than the sum of its proper divisors (157407132549504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87230706233856 is a wasteful number, since it uses less digits than its factorization.
87230706233856 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21851186 (or 21851170 counting only the distinct ones).
The product of its (nonzero) digits is 60963840, while the sum is 60.
The spelling of 87230706233856 in words is "eighty-seven trillion, two hundred thirty billion, seven hundred six million, two hundred thirty-three thousand, eight hundred fifty-six".
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