Base | Representation |
---|---|
bin | 1101101111010000100101… |
… | …00110010101101000010100 |
3 | 10221222011011100011112100211 |
4 | 12313220102212111220110 |
5 | 12424434324133000040 |
6 | 144130443202015204 |
7 | 6235452342650560 |
oct | 667502246255024 |
9 | 127864140145324 |
10 | 30211112000020 |
11 | 9698508138346 |
12 | 347b148347504 |
13 | 13b1b8493b563 |
14 | 7663231746a0 |
15 | 375cd8a628ea |
hex | 1b7a12995a14 |
30211112000020 has 24 divisors (see below), whose sum is σ = 72506668800384. Its totient is φ = 10358095542816.
The previous prime is 30211112000009. The next prime is 30211112000029. The reversal of 30211112000020 is 2000021111203.
It is a super-2 number, since 2×302111120000202 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30211112000029) 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, 107896828432 + ... + 107896828711.
It is an arithmetic number, because the mean of its divisors is an integer number (3021111200016).
Almost surely, 230211112000020 is an apocalyptic number.
It is an amenable number.
30211112000020 is an abundant number, since it is smaller than the sum of its proper divisors (42295556800364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30211112000020 is a wasteful number, since it uses less digits than its factorization.
30211112000020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 215793657159 (or 215793657157 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 30211112000020 its reverse (2000021111203), we get a palindrome (32211133111223).
The spelling of 30211112000020 in words is "thirty trillion, two hundred eleven billion, one hundred twelve million, twenty", and thus it is an aban number.
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