Base | Representation |
---|---|
bin | 1011010000000101… |
… | …0000110110000101 |
3 | 21210111002120201011 |
4 | 2310001100312011 |
5 | 22141134330041 |
6 | 1215410002221 |
7 | 134562350224 |
oct | 26401206605 |
9 | 7714076634 |
10 | 3020230021 |
11 | 130a928576 |
12 | 703576371 |
13 | 391948573 |
14 | 209190cbb |
15 | 12a23ce81 |
hex | b4050d85 |
3020230021 has 16 divisors (see below), whose sum is σ = 3105641088. Its totient is φ = 2936315200.
The previous prime is 3020230019. The next prime is 3020230033. The reversal of 3020230021 is 1200320203.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 3020230021 - 21 = 3020230019 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3020229983 and 3020230010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3020200021) 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, 1608135 + ... + 1610011.
It is an arithmetic number, because the mean of its divisors is an integer number (194102568).
Almost surely, 23020230021 is an apocalyptic number.
It is an amenable number.
3020230021 is a deficient number, since it is larger than the sum of its proper divisors (85411067).
3020230021 is a wasteful number, since it uses less digits than its factorization.
3020230021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2252.
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 3020230021 is about 54956.6194466144. The cubic root of 3020230021 is about 1445.4841703957.
Adding to 3020230021 its reverse (1200320203), we get a palindrome (4220550224).
The spelling of 3020230021 in words is "three billion, twenty million, two hundred thirty thousand, twenty-one".
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