Base | Representation |
---|---|
bin | 1001000001000100… |
… | …0011001111001101 |
3 | 20020200101111021010 |
4 | 2100101003033031 |
5 | 14424104420223 |
6 | 1040101155433 |
7 | 113656652103 |
oct | 22021031715 |
9 | 6220344233 |
10 | 2420388813 |
11 | 1032278a37 |
12 | 5766bbb79 |
13 | 2c75a703b |
14 | 18d649c73 |
15 | e2752393 |
hex | 904433cd |
2420388813 has 8 divisors (see below), whose sum is σ = 3266067168. Its totient is φ = 1594151504.
The previous prime is 2420388811. The next prime is 2420388847. The reversal of 2420388813 is 3188830242.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2420388813 - 21 = 2420388811 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2420388811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4859970 + ... + 4860467.
It is an arithmetic number, because the mean of its divisors is an integer number (408258396).
Almost surely, 22420388813 is an apocalyptic number.
It is an amenable number.
2420388813 is a deficient number, since it is larger than the sum of its proper divisors (845678355).
2420388813 is an equidigital number, since it uses as much as digits as its factorization.
2420388813 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9720523.
The product of its (nonzero) digits is 73728, while the sum is 39.
The square root of 2420388813 is about 49197.4472203589. The cubic root of 2420388813 is about 1342.6465873386.
The spelling of 2420388813 in words is "two billion, four hundred twenty million, three hundred eighty-eight thousand, eight hundred thirteen".
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