Base | Representation |
---|---|
bin | 1101101110111111101000… |
… | …10001001011101001001101 |
3 | 10221221021200020011202100101 |
4 | 12313133310101023221031 |
5 | 12424312210334444041 |
6 | 144122340251131101 |
7 | 6235011020314612 |
oct | 667376421135115 |
9 | 127837606152311 |
10 | 30202013203021 |
11 | 96946690a7500 |
12 | 3479429143a91 |
13 | 13b10648791ca |
14 | 765adc9a2509 |
15 | 375954d6cb31 |
hex | 1b77f444ba4d |
30202013203021 has 48 divisors (see below), whose sum is σ = 35167281149952. Its totient is φ = 25863544571040.
The previous prime is 30202013203013. The next prime is 30202013203081. The reversal of 30202013203021 is 12030231020203.
It is not a de Polignac number, because 30202013203021 - 23 = 30202013203013 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30202013203021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30202013203081) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 747129016 + ... + 747169438.
It is an arithmetic number, because the mean of its divisors is an integer number (732651690624).
Almost surely, 230202013203021 is an apocalyptic number.
It is an amenable number.
30202013203021 is a deficient number, since it is larger than the sum of its proper divisors (4965267946931).
30202013203021 is a wasteful number, since it uses less digits than its factorization.
30202013203021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44542 (or 44531 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 30202013203021 its reverse (12030231020203), we get a palindrome (42232244223224).
The spelling of 30202013203021 in words is "thirty trillion, two hundred two billion, thirteen million, two hundred three thousand, twenty-one".
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