Base | Representation |
---|---|
bin | 11101110000111101… |
… | …10111011001001001 |
3 | 1112020200012011010000 |
4 | 32320132313121021 |
5 | 230211340011331 |
6 | 11201402513213 |
7 | 1103666523510 |
oct | 167036673111 |
9 | 45220164100 |
10 | 15980000841 |
11 | 6860326172 |
12 | 311b805809 |
13 | 16788a32cc |
14 | ab8447677 |
15 | 637d950e6 |
hex | 3b87b7649 |
15980000841 has 20 divisors (see below), whose sum is σ = 27281554432. Its totient is φ = 9131428728.
The previous prime is 15980000791. The next prime is 15980000849. The reversal of 15980000841 is 14800008951.
It is not a de Polignac number, because 15980000841 - 217 = 15979869769 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 15980000796 and 15980000805.
It is not an unprimeable number, because it can be changed into a prime (15980000849) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14091145 + ... + 14092278.
Almost surely, 215980000841 is an apocalyptic number.
It is an amenable number.
15980000841 is a deficient number, since it is larger than the sum of its proper divisors (11301553591).
15980000841 is an equidigital number, since it uses as much as digits as its factorization.
15980000841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28183442 (or 28183433 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 36.
The spelling of 15980000841 in words is "fifteen billion, nine hundred eighty million, eight hundred forty-one", and thus it is an aban number.
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