Base | Representation |
---|---|
bin | 101000101111010001… |
… | …0110111110110011100 |
3 | 22100211000111012112010 |
4 | 1101132202313312130 |
5 | 2413132244432014 |
6 | 104105034511220 |
7 | 6214654604352 |
oct | 1213642676634 |
9 | 270730435463 |
10 | 87485545884 |
11 | 34114345540 |
12 | 14b56895510 |
13 | 8332c01ac9 |
14 | 433cda77d2 |
15 | 2420748359 |
hex | 145e8b7d9c |
87485545884 has 48 divisors (see below), whose sum is σ = 223090471296. Its totient is φ = 26463153600.
The previous prime is 87485545859. The next prime is 87485545909. The reversal of 87485545884 is 48854558478.
It is an interprime number because it is at equal distance from previous prime (87485545859) and next prime (87485545909).
It is a Harshad number since it is a multiple of its sum of digits (66).
It is a congruent number.
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, 521422 + ... + 668469.
It is an arithmetic number, because the mean of its divisors is an integer number (4647718152).
Almost surely, 287485545884 is an apocalyptic number.
It is an amenable number.
87485545884 is an abundant number, since it is smaller than the sum of its proper divisors (135604925412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87485545884 is a wasteful number, since it uses less digits than its factorization.
87485545884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1190466 (or 1190464 counting only the distinct ones).
The product of its digits is 229376000, while the sum is 66.
The spelling of 87485545884 in words is "eighty-seven billion, four hundred eighty-five million, five hundred forty-five thousand, eight hundred eighty-four".
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