Base | Representation |
---|---|
bin | 1001100011001… |
… | …01101010000000 |
3 | 12120201220201220 |
4 | 10301211222000 |
5 | 131001430120 |
6 | 11540555040 |
7 | 1661623326 |
oct | 461455200 |
9 | 176656656 |
10 | 80108160 |
11 | 412454a0 |
12 | 229b2a80 |
13 | 1379a6a2 |
14 | a8d3d16 |
15 | 7075b40 |
hex | 4c65a80 |
80108160 has 128 divisors (see below), whose sum is σ = 278631360. Its totient is φ = 19415040.
The previous prime is 80108113. The next prime is 80108167. The reversal of 80108160 is 6180108.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 80108160.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80108167) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19224 + ... + 23016.
Almost surely, 280108160 is an apocalyptic number.
80108160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80108160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139315680).
80108160 is an abundant number, since it is smaller than the sum of its proper divisors (198523200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80108160 is a wasteful number, since it uses less digits than its factorization.
80108160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3826 (or 3814 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 24.
The square root of 80108160 is about 8950.3161955319. The cubic root of 80108160 is about 431.0810369388.
Adding to 80108160 its reverse (6180108), we get a palindrome (86288268).
The spelling of 80108160 in words is "eighty million, one hundred eight thousand, one hundred sixty".
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