Base | Representation |
---|---|
bin | 100100110000101110… |
… | …011100000000011101 |
3 | 10202212212212202221121 |
4 | 210300232130000131 |
5 | 1121314334412443 |
6 | 30044441530541 |
7 | 2565105016435 |
oct | 446056340035 |
9 | 122785782847 |
10 | 39472185373 |
11 | 15816024105 |
12 | 77971a3a51 |
13 | 395090c10a |
14 | 1ca64552c5 |
15 | 10604c74ed |
hex | 930b9c01d |
39472185373 has 2 divisors, whose sum is σ = 39472185374. Its totient is φ = 39472185372.
The previous prime is 39472185371. The next prime is 39472185391. The reversal of 39472185373 is 37358127493.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 37065105529 + 2407079844 = 192523^2 + 49062^2 .
It is an emirp because it is prime and its reverse (37358127493) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 39472185373 - 21 = 39472185371 is a prime.
Together with 39472185371, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 39472185373.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (39472185371) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19736092686 + 19736092687.
It is an arithmetic number, because the mean of its divisors is an integer number (19736092687).
Almost surely, 239472185373 is an apocalyptic number.
It is an amenable number.
39472185373 is a deficient number, since it is larger than the sum of its proper divisors (1).
39472185373 is an equidigital number, since it uses as much as digits as its factorization.
39472185373 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3810240, while the sum is 52.
The spelling of 39472185373 in words is "thirty-nine billion, four hundred seventy-two million, one hundred eighty-five thousand, three hundred seventy-three".
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