Base | Representation |
---|---|
bin | 11100001010000100… |
… | …000010010110001100 |
3 | 2220001000212002021120 |
4 | 130022010002112030 |
5 | 443404300221140 |
6 | 21520015000540 |
7 | 2120134241361 |
oct | 341204022614 |
9 | 86030762246 |
10 | 30233601420 |
11 | 11905097260 |
12 | 5a39209150 |
13 | 2b0a8b56a9 |
14 | 166b496468 |
15 | bbe3be1d0 |
hex | 70a10258c |
30233601420 has 192 divisors, whose sum is σ = 100563724800. Its totient is φ = 6704087040.
The previous prime is 30233601413. The next prime is 30233601421. The reversal of 30233601420 is 2410633203.
It is not an unprimeable number, because it can be changed into a prime (30233601421) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 322092 + ... + 405228.
It is an arithmetic number, because the mean of its divisors is an integer number (523769400).
Almost surely, 230233601420 is an apocalyptic number.
30233601420 is a gapful number since it is divisible by the number (30) 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 30233601420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50281862400).
30233601420 is an abundant number, since it is smaller than the sum of its proper divisors (70330123380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30233601420 is a wasteful number, since it uses less digits than its factorization.
30233601420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83208 (or 83206 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 24.
The spelling of 30233601420 in words is "thirty billion, two hundred thirty-three million, six hundred one thousand, four hundred twenty".
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