Base | Representation |
---|---|
bin | 100011110100000000… |
… | …001010100100110011 |
3 | 10200020212220020212011 |
4 | 203310000022210303 |
5 | 1112223034004022 |
6 | 25355410143351 |
7 | 2530624461112 |
oct | 436400124463 |
9 | 120225806764 |
10 | 38453422387 |
11 | 15342a55426 |
12 | 7551b81b57 |
13 | 381a832893 |
14 | 1c0b021c79 |
15 | 1000d3b977 |
hex | 8f400a933 |
38453422387 has 2 divisors, whose sum is σ = 38453422388. Its totient is φ = 38453422386.
The previous prime is 38453422199. The next prime is 38453422433. The reversal of 38453422387 is 78322435483.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 38453422387 - 235 = 4093684019 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 38453422387.
It is not a weakly prime, because it can be changed into another prime (38453422087) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19226711193 + 19226711194.
It is an arithmetic number, because the mean of its divisors is an integer number (19226711194).
Almost surely, 238453422387 is an apocalyptic number.
38453422387 is a deficient number, since it is larger than the sum of its proper divisors (1).
38453422387 is an equidigital number, since it uses as much as digits as its factorization.
38453422387 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3870720, while the sum is 49.
The spelling of 38453422387 in words is "thirty-eight billion, four hundred fifty-three million, four hundred twenty-two thousand, three hundred eighty-seven".
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