Base | Representation |
---|---|
bin | 1101000101110110… |
… | …11011111001101101 |
3 | 200010211021121112210 |
4 | 12202323123321231 |
5 | 103343241111234 |
6 | 3121232121033 |
7 | 336112620324 |
oct | 64273337155 |
9 | 20124247483 |
10 | 7028457069 |
11 | 2a87420907 |
12 | 1441996179 |
13 | 88018a84a |
14 | 4a96470bb |
15 | 2b208abe9 |
hex | 1a2edbe6d |
7028457069 has 16 divisors (see below), whose sum is σ = 9650764800. Its totient is φ = 4547904816.
The previous prime is 7028457061. The next prime is 7028457089. The reversal of 7028457069 is 9607548207.
It is not a de Polignac number, because 7028457069 - 23 = 7028457061 is a prime.
It is a super-2 number, since 2×70284570692 = 98798417541552141522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7028457061) 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, 237339 + ... + 265304.
It is an arithmetic number, because the mean of its divisors is an integer number (603172800).
Almost surely, 27028457069 is an apocalyptic number.
7028457069 is a gapful number since it is divisible by the number (79) formed by its first and last digit.
It is an amenable number.
7028457069 is a deficient number, since it is larger than the sum of its proper divisors (2622307731).
7028457069 is a wasteful number, since it uses less digits than its factorization.
7028457069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 502784.
The product of its (nonzero) digits is 846720, while the sum is 48.
The square root of 7028457069 is about 83835.8936792589. The cubic root of 7028457069 is about 1915.5198882061.
The spelling of 7028457069 in words is "seven billion, twenty-eight million, four hundred fifty-seven thousand, sixty-nine".
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