Base | Representation |
---|---|
bin | 1101101111010100000111… |
… | …01111100011001011011100 |
3 | 10221222100001122001010101102 |
4 | 12313222003233203023130 |
5 | 12430002221110141340 |
6 | 144131355411532232 |
7 | 6235550362510553 |
oct | 667520357431334 |
9 | 127870048033342 |
10 | 30213010240220 |
11 | 96992a16a12a5 |
12 | 347b597bba078 |
13 | 13b20c7ca7102 |
14 | 766463300d9a |
15 | 375d9a524215 |
hex | 1b7a83be32dc |
30213010240220 has 12 divisors (see below), whose sum is σ = 63447321504504. Its totient is φ = 12085204096080.
The previous prime is 30213010240187. The next prime is 30213010240241. The reversal of 30213010240220 is 2204201031203.
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1510650512011 = 30213010240220 / (3 + 0 + 2 + 1 + 3 + 0 + 1 + 0 + 2 + 4 + 0 + 2 + 2 + 0).
It is a junction number, because it is equal to n+sod(n) for n = 30213010240192 and 30213010240201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755325255986 + ... + 755325256025.
It is an arithmetic number, because the mean of its divisors is an integer number (5287276792042).
Almost surely, 230213010240220 is an apocalyptic number.
It is an amenable number.
30213010240220 is an abundant number, since it is smaller than the sum of its proper divisors (33234311264284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30213010240220 is a wasteful number, since it uses less digits than its factorization.
30213010240220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1510650512020 (or 1510650512018 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 30213010240220 its reverse (2204201031203), we get a palindrome (32417211271423).
The spelling of 30213010240220 in words is "thirty trillion, two hundred thirteen billion, ten million, two hundred forty thousand, two hundred twenty".
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