Base | Representation |
---|---|
bin | 1101110101001101… |
… | …11100111110001000 |
3 | 201011111211201012121 |
4 | 12322212330332020 |
5 | 110201442200210 |
6 | 3224503221024 |
7 | 352005516511 |
oct | 67246747610 |
9 | 21144751177 |
10 | 7425740680 |
11 | 3170700976 |
12 | 1532a47774 |
13 | 91458a8c7 |
14 | 506301a08 |
15 | 2d6db46da |
hex | 1ba9bcf88 |
7425740680 has 16 divisors (see below), whose sum is σ = 16707916620. Its totient is φ = 2970296256.
The previous prime is 7425740677. The next prime is 7425740681. The reversal of 7425740680 is 860475247.
It can be written as a sum of positive squares in 2 ways, for example, as 7022775204 + 402965476 = 83802^2 + 20074^2 .
It is not an unprimeable number, because it can be changed into a prime (7425740681) 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 3 ways as a sum of consecutive naturals, for example, 92821719 + ... + 92821798.
Almost surely, 27425740680 is an apocalyptic number.
It is an amenable number.
7425740680 is an abundant number, since it is smaller than the sum of its proper divisors (9282175940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7425740680 is a wasteful number, since it uses less digits than its factorization.
7425740680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 185643528 (or 185643524 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 43.
The square root of 7425740680 is about 86172.7374521664. The cubic root of 7425740680 is about 1950.9520382934.
The spelling of 7425740680 in words is "seven billion, four hundred twenty-five million, seven hundred forty thousand, six hundred eighty".
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