Base | Representation |
---|---|
bin | 1100110110010111… |
… | …01100110111100100 |
3 | 122210202202021021022 |
4 | 12123023230313210 |
5 | 103112004100030 |
6 | 3100310510312 |
7 | 332644211024 |
oct | 63313546744 |
9 | 18722667238 |
10 | 6898503140 |
11 | 2a20030571 |
12 | 1406365398 |
13 | 85c28a029 |
14 | 496299a84 |
15 | 2a596ade5 |
hex | 19b2ecde4 |
6898503140 has 12 divisors (see below), whose sum is σ = 14486856636. Its totient is φ = 2759401248.
The previous prime is 6898503121. The next prime is 6898503163. The reversal of 6898503140 is 413058986.
It can be written as a sum of positive squares in 2 ways, for example, as 5045545024 + 1852958116 = 71032^2 + 43046^2 .
It is a junction number, because it is equal to n+sod(n) for n = 6898503091 and 6898503100.
It is an unprimeable number.
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, 172462559 + ... + 172462598.
It is an arithmetic number, because the mean of its divisors is an integer number (1207238053).
Almost surely, 26898503140 is an apocalyptic number.
It is an amenable number.
6898503140 is an abundant number, since it is smaller than the sum of its proper divisors (7588353496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6898503140 is a wasteful number, since it uses less digits than its factorization.
6898503140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 344925166 (or 344925164 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 44.
The square root of 6898503140 is about 83057.2281020743. The cubic root of 6898503140 is about 1903.6405858463.
The spelling of 6898503140 in words is "six billion, eight hundred ninety-eight million, five hundred three thousand, one hundred forty".
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