Base | Representation |
---|---|
bin | 10000100101100… |
… | …10000010100000 |
3 | 100200211002221202 |
4 | 20102302002200 |
5 | 241110010110 |
6 | 21450140332 |
7 | 3306452465 |
oct | 1022620240 |
9 | 320732852 |
10 | 139141280 |
11 | 715a59a3 |
12 | 3a7216a8 |
13 | 22a99525 |
14 | 1469d66c |
15 | c3370a5 |
hex | 84b20a0 |
139141280 has 48 divisors (see below), whose sum is σ = 329513184. Its totient is φ = 55522560.
The previous prime is 139141273. The next prime is 139141319. The reversal of 139141280 is 82141931.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90599 + ... + 92121.
It is an arithmetic number, because the mean of its divisors is an integer number (6864858).
Almost surely, 2139141280 is an apocalyptic number.
139141280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
139141280 is an abundant number, since it is smaller than the sum of its proper divisors (190371904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139141280 is a wasteful number, since it uses less digits than its factorization.
139141280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2109 (or 2101 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 29.
The square root of 139141280 is about 11795.8162074525. The cubic root of 139141280 is about 518.1855896458.
The spelling of 139141280 in words is "one hundred thirty-nine million, one hundred forty-one thousand, two hundred eighty".
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