Base | Representation |
---|---|
bin | 1101101100101100111001… |
… | …00000100010001001100000 |
3 | 10221122202022210100120021201 |
4 | 12312112130200202021200 |
5 | 12422014334220433044 |
6 | 144022231012130544 |
7 | 6226221520236160 |
oct | 666263440421140 |
9 | 127582283316251 |
10 | 30123231421024 |
11 | 966421090a665 |
12 | 3466101306a54 |
13 | 13a67bac46b61 |
14 | 761d8793a5a0 |
15 | 3738937d77d4 |
hex | 1b659c822260 |
30123231421024 has 96 divisors (see below), whose sum is σ = 72165087751680. Its totient is φ = 12082666702848.
The previous prime is 30123231421013. The next prime is 30123231421033. The reversal of 30123231421024 is 42012413232103.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a junction number, because it is equal to n+sod(n) for n = 30123231420983 and 30123231421001.
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, 21414772 + ... + 22778035.
It is an arithmetic number, because the mean of its divisors is an integer number (751719664080).
Almost surely, 230123231421024 is an apocalyptic number.
30123231421024 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
30123231421024 is an abundant number, since it is smaller than the sum of its proper divisors (42041856330656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30123231421024 is a wasteful number, since it uses less digits than its factorization.
30123231421024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44193020 (or 44193012 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 30123231421024 its reverse (42012413232103), we get a palindrome (72135644653127).
The spelling of 30123231421024 in words is "thirty trillion, one hundred twenty-three billion, two hundred thirty-one million, four hundred twenty-one thousand, twenty-four".
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