Base | Representation |
---|---|
bin | 100101010100000001… |
… | …1000111010110111100 |
3 | 21122211022110210122022 |
4 | 1022220003013112330 |
5 | 2303100433101223 |
6 | 100451034135312 |
7 | 5534444364233 |
oct | 1125003072674 |
9 | 248738423568 |
10 | 80128800188 |
11 | 30a89689618 |
12 | 13642b81538 |
13 | 772ca20448 |
14 | 3c41d05b1a |
15 | 213e961ac8 |
hex | 12a80c75bc |
80128800188 has 12 divisors (see below), whose sum is σ = 140513340912. Its totient is φ = 39982131360.
The previous prime is 80128800179. The next prime is 80128800197. The reversal of 80128800188 is 88100882108.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (80128800179) and next prime (80128800197).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20564993 + ... + 20568888.
It is an arithmetic number, because the mean of its divisors is an integer number (11709445076).
Almost surely, 280128800188 is an apocalyptic number.
It is an amenable number.
80128800188 is a deficient number, since it is larger than the sum of its proper divisors (60384540724).
80128800188 is a wasteful number, since it uses less digits than its factorization.
80128800188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41134372 (or 41134370 counting only the distinct ones).
The product of its (nonzero) digits is 65536, while the sum is 44.
The spelling of 80128800188 in words is "eighty billion, one hundred twenty-eight million, eight hundred thousand, one hundred eighty-eight".
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