Base | Representation |
---|---|
bin | 1011000100100011001… |
… | …01001011011000100010 |
3 | 1100100212200220001221200 |
4 | 11202101211023120202 |
5 | 22213024242024242 |
6 | 450430402502030 |
7 | 36324440642451 |
oct | 5422145133042 |
9 | 1310780801850 |
10 | 380399564322 |
11 | 137365700a28 |
12 | 61883064916 |
13 | 29b439818cb |
14 | 145a8daab98 |
15 | 9d65ca704c |
hex | 589194b622 |
380399564322 has 54 divisors (see below), whose sum is σ = 847292401683. Its totient is φ = 123341431104.
The previous prime is 380399564263. The next prime is 380399564333. The reversal of 380399564322 is 223465993083.
It is a happy number.
It can be written as a sum of positive squares in 5 ways, for example, as 211323170601 + 169076393721 = 459699^2 + 411189^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=436119.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 96816454 + ... + 96820382.
Almost surely, 2380399564322 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 380399564322
380399564322 is an abundant number, since it is smaller than the sum of its proper divisors (466892837361).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380399564322 is an frugal number, since it uses more digits than its factorization.
380399564322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7940 (or 3971 counting only the distinct ones).
The product of its (nonzero) digits is 8398080, while the sum is 54.
The spelling of 380399564322 in words is "three hundred eighty billion, three hundred ninety-nine million, five hundred sixty-four thousand, three hundred twenty-two".
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