Base | Representation |
---|---|
bin | 1011000100101000010… |
… | …01011110010011011110 |
3 | 1100100222200221012200010 |
4 | 11202110021132103132 |
5 | 22213121303232223 |
6 | 450434541544050 |
7 | 36325503012420 |
oct | 5422411362336 |
9 | 1310880835603 |
10 | 380442633438 |
11 | 137387a4843a |
12 | 61895575026 |
13 | 29b4c8813aa |
14 | 145b09bc810 |
15 | 9d69963393 |
hex | 589425e4de |
380442633438 has 64 divisors (see below), whose sum is σ = 880233080832. Its totient is φ = 107367172320.
The previous prime is 380442633421. The next prime is 380442633451. The reversal of 380442633438 is 834336244083.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28895845 + ... + 28909007.
It is an arithmetic number, because the mean of its divisors is an integer number (13753641888).
Almost surely, 2380442633438 is an apocalyptic number.
380442633438 is an abundant number, since it is smaller than the sum of its proper divisors (499790447394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380442633438 is a wasteful number, since it uses less digits than its factorization.
380442633438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21549.
The product of its (nonzero) digits is 3981312, while the sum is 48.
The spelling of 380442633438 in words is "three hundred eighty billion, four hundred forty-two million, six hundred thirty-three thousand, four hundred thirty-eight".
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