Base | Representation |
---|---|
bin | 1101110010001100111011… |
… | …01101110010000000111000 |
3 | 10222022211011102221221200020 |
4 | 12321012131231302000320 |
5 | 12433113421414411440 |
6 | 144245125112410440 |
7 | 6245662215516144 |
oct | 671063555620070 |
9 | 128284142857606 |
10 | 30312230232120 |
11 | 9727387800801 |
12 | 34968686a6a20 |
13 | 13bb57b0134a5 |
14 | 76b19691c224 |
15 | 3787560353d0 |
hex | 1b919db72038 |
30312230232120 has 64 divisors (see below), whose sum is σ = 91367670349440. Its totient is φ = 8044952092800.
The previous prime is 30312230232079. The next prime is 30312230232223. The reversal of 30312230232120 is 2123203221303.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598557426 + ... + 598608065.
It is an arithmetic number, because the mean of its divisors is an integer number (1427619849210).
Almost surely, 230312230232120 is an apocalyptic number.
30312230232120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30312230232120 is an abundant number, since it is smaller than the sum of its proper divisors (61055440117320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30312230232120 is a wasteful number, since it uses less digits than its factorization.
30312230232120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1197165716 (or 1197165712 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 30312230232120 its reverse (2123203221303), we get a palindrome (32435433453423).
The spelling of 30312230232120 in words is "thirty trillion, three hundred twelve billion, two hundred thirty million, two hundred thirty-two thousand, one hundred twenty".
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