Base | Representation |
---|---|
bin | 1011010000101111… |
… | …1100010101110101 |
3 | 21210200100211001001 |
4 | 2310023330111311 |
5 | 22142343421441 |
6 | 1215550003301 |
7 | 134625220303 |
oct | 26413742565 |
9 | 7720324031 |
10 | 3023029621 |
11 | 131146a997 |
12 | 7044a6531 |
13 | 3923b8931 |
14 | 2096bd273 |
15 | 12a5e2731 |
hex | b42fc575 |
3023029621 has 2 divisors, whose sum is σ = 3023029622. Its totient is φ = 3023029620.
The previous prime is 3023029619. The next prime is 3023029631. The reversal of 3023029621 is 1269203203.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2286178596 + 736851025 = 47814^2 + 27145^2 .
It is an emirp because it is prime and its reverse (1269203203) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 3023029621 - 21 = 3023029619 is a prime.
Together with 3023029619, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 3023029621.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3023029631) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1511514810 + 1511514811.
It is an arithmetic number, because the mean of its divisors is an integer number (1511514811).
Almost surely, 23023029621 is an apocalyptic number.
It is an amenable number.
3023029621 is a deficient number, since it is larger than the sum of its proper divisors (1).
3023029621 is an equidigital number, since it uses as much as digits as its factorization.
3023029621 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3888, while the sum is 28.
The square root of 3023029621 is about 54982.0845457864. The cubic root of 3023029621 is about 1445.9306626290.
The spelling of 3023029621 in words is "three billion, twenty-three million, twenty-nine thousand, six hundred twenty-one".
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