Base | Representation |
---|---|
bin | 1101101100011000100100… |
… | …01001111010010001110000 |
3 | 10221121201011101011012021120 |
4 | 12312030102021322101300 |
5 | 12421330012444101034 |
6 | 144013224201022240 |
7 | 6225354240240135 |
oct | 666142211722160 |
9 | 127551141135246 |
10 | 30112320300144 |
11 | 965a621867a95 |
12 | 3463b77184980 |
13 | 13a576c56b204 |
14 | 7616307a458c |
15 | 373455952c49 |
hex | 1b631227a470 |
30112320300144 has 160 divisors (see below), whose sum is σ = 84334474033920. Its totient is φ = 9221509656576.
The previous prime is 30112320300133. The next prime is 30112320300191. The reversal of 30112320300144 is 44100302321103.
It is a happy number.
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 31 ways as a sum of consecutive naturals, for example, 55766847 + ... + 56304225.
It is an arithmetic number, because the mean of its divisors is an integer number (527090462712).
Almost surely, 230112320300144 is an apocalyptic number.
30112320300144 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30112320300144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42167237016960).
30112320300144 is an abundant number, since it is smaller than the sum of its proper divisors (54222153733776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30112320300144 is a wasteful number, since it uses less digits than its factorization.
30112320300144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 539047 (or 539041 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 30112320300144 its reverse (44100302321103), we get a palindrome (74212622621247).
The spelling of 30112320300144 in words is "thirty trillion, one hundred twelve billion, three hundred twenty million, three hundred thousand, one hundred forty-four".
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