Base | Representation |
---|---|
bin | 10000110010000… |
… | …10001010000000 |
3 | 100210220101002000 |
4 | 20121002022000 |
5 | 242014431120 |
6 | 21545224000 |
7 | 3326416533 |
oct | 1031021200 |
9 | 323811060 |
10 | 140780160 |
11 | 72515244 |
12 | 3b192000 |
13 | 23221491 |
14 | 149a8a1a |
15 | c55c990 |
hex | 8642280 |
140780160 has 128 divisors (see below), whose sum is σ = 498657600. Its totient is φ = 37536768.
The previous prime is 140780113. The next prime is 140780191. The reversal of 140780160 is 61087041.
It is a happy number.
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 (27).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13207 + ... + 21353.
Almost surely, 2140780160 is an apocalyptic number.
140780160 is a gapful number since it is divisible by the number (10) 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 140780160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249328800).
140780160 is an abundant number, since it is smaller than the sum of its proper divisors (357877440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140780160 is an equidigital number, since it uses as much as digits as its factorization.
140780160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8175 (or 8157 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 27.
The square root of 140780160 is about 11865.0815420713. The cubic root of 140780160 is about 520.2121422383.
The spelling of 140780160 in words is "one hundred forty million, seven hundred eighty thousand, one hundred sixty".
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