Base | Representation |
---|---|
bin | 100111111000010001111… |
… | …100011011001000010000 |
3 | 100200222200110202212201221 |
4 | 213320101330123020100 |
5 | 324400010441443110 |
6 | 5454544103334424 |
7 | 401664621146566 |
oct | 47702174331020 |
9 | 10628613685657 |
10 | 2740490187280 |
11 | 9672652a247a |
12 | 383160751414 |
13 | 16b5724b13c1 |
14 | 968d74c1a36 |
15 | 4b446ae77da |
hex | 27e11f1b210 |
2740490187280 has 40 divisors (see below), whose sum is σ = 6527045539224. Its totient is φ = 1069459584000.
The previous prime is 2740490187251. The next prime is 2740490187289. The reversal of 2740490187280 is 827810940472.
It can be written as a sum of positive squares in 4 ways, for example, as 19323224064 + 2721166963216 = 139008^2 + 1649596^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (2740490187289) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417754371 + ... + 417760930.
Almost surely, 22740490187280 is an apocalyptic number.
2740490187280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2740490187280 is an abundant number, since it is smaller than the sum of its proper divisors (3786555351944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2740490187280 is a wasteful number, since it uses less digits than its factorization.
2740490187280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 835515355 (or 835515349 counting only the distinct ones).
The product of its (nonzero) digits is 1806336, while the sum is 52.
The spelling of 2740490187280 in words is "two trillion, seven hundred forty billion, four hundred ninety million, one hundred eighty-seven thousand, two hundred eighty".
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