Base | Representation |
---|---|
bin | 1101000101110100… |
… | …01111110010101101 |
3 | 200010210200202220201 |
4 | 12202322033302231 |
5 | 103343201122300 |
6 | 3121221313501 |
7 | 336110151415 |
oct | 64272176255 |
9 | 20123622821 |
10 | 7028145325 |
11 | 2a87228673 |
12 | 1441865891 |
13 | 8800ab996 |
14 | 4a95a5645 |
15 | 2b202866a |
hex | 1a2e8fcad |
7028145325 has 12 divisors (see below), whose sum is σ = 8812823220. Its totient is φ = 5559340160.
The previous prime is 7028145283. The next prime is 7028145337. The reversal of 7028145325 is 5235418207.
It can be written as a sum of positive squares in 6 ways, for example, as 503060041 + 6525085284 = 22429^2 + 80778^2 .
It is not a de Polignac number, because 7028145325 - 215 = 7028112557 is a prime.
It is a congruent number.
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 11 ways as a sum of consecutive naturals, for example, 1577134 + ... + 1581583.
It is an arithmetic number, because the mean of its divisors is an integer number (734401935).
Almost surely, 27028145325 is an apocalyptic number.
It is an amenable number.
7028145325 is a deficient number, since it is larger than the sum of its proper divisors (1784677895).
7028145325 is a wasteful number, since it uses less digits than its factorization.
7028145325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3158816 (or 3158811 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 37.
The square root of 7028145325 is about 83834.0344072740. The cubic root of 7028145325 is about 1915.4915671177.
The spelling of 7028145325 in words is "seven billion, twenty-eight million, one hundred forty-five thousand, three hundred twenty-five".
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