Base | Representation |
---|---|
bin | 11100010110011111… |
… | …011010000100000010 |
3 | 2220120120012001201212 |
4 | 130112133122010002 |
5 | 444321134244132 |
6 | 21552423530122 |
7 | 2125245415001 |
oct | 342637320402 |
9 | 86516161655 |
10 | 30442103042 |
11 | 11a0185664a |
12 | 5a96bb9942 |
13 | 2b41b58530 |
14 | 168b04cc38 |
15 | bd28575b2 |
hex | 7167da102 |
30442103042 has 16 divisors (see below), whose sum is σ = 49205345280. Its totient is φ = 14041732752.
The previous prime is 30442103033. The next prime is 30442103047. The reversal of 30442103042 is 24030124403.
It is a junction number, because it is equal to n+sod(n) for n = 30442102999 and 30442103017.
It is not an unprimeable number, because it can be changed into a prime (30442103047) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308792 + ... + 395267.
It is an arithmetic number, because the mean of its divisors is an integer number (3075334080).
Almost surely, 230442103042 is an apocalyptic number.
30442103042 is a deficient number, since it is larger than the sum of its proper divisors (18763242238).
30442103042 is a wasteful number, since it uses less digits than its factorization.
30442103042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 705737.
The product of its (nonzero) digits is 2304, while the sum is 23.
Adding to 30442103042 its reverse (24030124403), we get a palindrome (54472227445).
The spelling of 30442103042 in words is "thirty billion, four hundred forty-two million, one hundred three thousand, forty-two".
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