Base | Representation |
---|---|
bin | 111100110111111… |
… | …100111011001000 |
3 | 2122011202102210122 |
4 | 330313330323020 |
5 | 4042423103144 |
6 | 245202002412 |
7 | 34210624154 |
oct | 7467747310 |
9 | 2564672718 |
10 | 1021300424 |
11 | 484552141 |
12 | 246046408 |
13 | 1337874a1 |
14 | 998d4064 |
15 | 5e9dc7ee |
hex | 3cdfcec8 |
1021300424 has 16 divisors (see below), whose sum is σ = 1980971100. Its totient is φ = 493041472.
The previous prime is 1021300421. The next prime is 1021300433. The reversal of 1021300424 is 4240031201.
It can be written as a sum of positive squares in 2 ways, for example, as 888636100 + 132664324 = 29810^2 + 11518^2 .
It is not an unprimeable number, because it can be changed into a prime (1021300421) 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, 2200847 + ... + 2201310.
Almost surely, 21021300424 is an apocalyptic number.
It is an amenable number.
1021300424 is a deficient number, since it is larger than the sum of its proper divisors (959670676).
1021300424 is a wasteful number, since it uses less digits than its factorization.
1021300424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4402192 (or 4402188 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 1021300424 is about 31957.7912878847. The cubic root of 1021300424 is about 1007.0503175393.
Adding to 1021300424 its reverse (4240031201), we get a palindrome (5261331625).
The spelling of 1021300424 in words is "one billion, twenty-one million, three hundred thousand, four hundred twenty-four".
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