Base | Representation |
---|---|
bin | 100111001101000101… |
… | …1001000001010001000 |
3 | 22001022102012021012120 |
4 | 1032122023020022020 |
5 | 2334410343040023 |
6 | 102402105011240 |
7 | 6040221403161 |
oct | 1163213101210 |
9 | 261272167176 |
10 | 84190986888 |
11 | 32783687608 |
12 | 14397483b20 |
13 | 7c294a6208 |
14 | 4109606768 |
15 | 22cb3bc8e3 |
hex | 139a2c8288 |
84190986888 has 32 divisors (see below), whose sum is σ = 210484975200. Its totient is φ = 28062661248.
The previous prime is 84190986877. The next prime is 84190986889. The reversal of 84190986888 is 88868909148.
It is not an unprimeable number, because it can be changed into a prime (84190986889) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976308 + ... + 1059036.
It is an arithmetic number, because the mean of its divisors is an integer number (6577655475).
Almost surely, 284190986888 is an apocalyptic number.
It is an amenable number.
84190986888 is an abundant number, since it is smaller than the sum of its proper divisors (126293988312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
84190986888 is a wasteful number, since it uses less digits than its factorization.
84190986888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125141 (or 125137 counting only the distinct ones).
The product of its (nonzero) digits is 63700992, while the sum is 69.
The spelling of 84190986888 in words is "eighty-four billion, one hundred ninety million, nine hundred eighty-six thousand, eight hundred eighty-eight".
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