Base | Representation |
---|---|
bin | 10011110101111110110111… |
… | …001111100101110111010110 |
3 | 102110000011121121111110120210 |
4 | 103311332313033211313112 |
5 | 42414333102242231311 |
6 | 505340235000110250 |
7 | 24245142163035033 |
oct | 2365766717456726 |
9 | 373004547443523 |
10 | 87272514805206 |
11 | 2589807a466065 |
12 | 9955bb8765386 |
13 | 39909bbc38573 |
14 | 177a0258aa38a |
15 | a152598703a6 |
hex | 4f5fb73e5dd6 |
87272514805206 has 32 divisors (see below), whose sum is σ = 175033111680000. Its totient is φ = 29009493002880.
The previous prime is 87272514805181. The next prime is 87272514805243. The reversal of 87272514805206 is 60250841527278.
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, 288831795 + ... + 289133793.
It is an arithmetic number, because the mean of its divisors is an integer number (5469784740000).
Almost surely, 287272514805206 is an apocalyptic number.
87272514805206 is an abundant number, since it is smaller than the sum of its proper divisors (87760596874794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87272514805206 is a wasteful number, since it uses less digits than its factorization.
87272514805206 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 436524.
The product of its (nonzero) digits is 15052800, while the sum is 57.
The spelling of 87272514805206 in words is "eighty-seven trillion, two hundred seventy-two billion, five hundred fourteen million, eight hundred five thousand, two hundred six".
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