Base | Representation |
---|---|
bin | 10000000110011… |
… | …011100101000000 |
3 | 200211021120201212 |
4 | 100012123211000 |
5 | 1023122340110 |
6 | 42445345252 |
7 | 6456664412 |
oct | 2006334500 |
9 | 624246655 |
10 | 270121280 |
11 | 129527130 |
12 | 76568228 |
13 | 43c690a0 |
14 | 27c369b2 |
15 | 18aaae05 |
hex | 1019b940 |
270121280 has 112 divisors (see below), whose sum is σ = 755806464. Its totient is φ = 90654720.
The previous prime is 270121277. The next prime is 270121289. The reversal of 270121280 is 82121072.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (270121289) 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, 42809 + ... + 48711.
It is an arithmetic number, because the mean of its divisors is an integer number (6748272).
Almost surely, 2270121280 is an apocalyptic number.
270121280 is a gapful number since it is divisible by the number (20) 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 270121280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377903232).
270121280 is an abundant number, since it is smaller than the sum of its proper divisors (485685184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
270121280 is a wasteful number, since it uses less digits than its factorization.
270121280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5944 (or 5934 counting only the distinct ones).
The product of its (nonzero) digits is 448, while the sum is 23.
The square root of 270121280 is about 16435.3667437024. The cubic root of 270121280 is about 646.4271665379.
The spelling of 270121280 in words is "two hundred seventy million, one hundred twenty-one thousand, two hundred eighty".
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