Base | Representation |
---|---|
bin | 1011100101001111… |
… | …0110110100101001 |
3 | 22000200010001212000 |
4 | 2321103312310221 |
5 | 22331400141444 |
6 | 1232300241213 |
7 | 140020660341 |
oct | 27123666451 |
9 | 8020101760 |
10 | 3108990249 |
11 | 1355a42432 |
12 | 729240209 |
13 | 3a7155101 |
14 | 216c97d21 |
15 | 132e22469 |
hex | b94f6d29 |
3108990249 has 8 divisors (see below), whose sum is σ = 4605911520. Its totient is φ = 2072660148.
The previous prime is 3108990223. The next prime is 3108990259. The reversal of 3108990249 is 9420998013.
3108990249 is a `hidden beast` number, since 310 + 8 + 9 + 90 + 249 = 666.
It is not a de Polignac number, because 3108990249 - 213 = 3108982057 is a prime.
It is not an unprimeable number, because it can be changed into a prime (3108990259) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57573867 + ... + 57573920.
It is an arithmetic number, because the mean of its divisors is an integer number (575738940).
Almost surely, 23108990249 is an apocalyptic number.
It is an amenable number.
3108990249 is a deficient number, since it is larger than the sum of its proper divisors (1496921271).
3108990249 is a wasteful number, since it uses less digits than its factorization.
3108990249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115147796 (or 115147790 counting only the distinct ones).
The product of its (nonzero) digits is 139968, while the sum is 45.
The square root of 3108990249 is about 55758.3199980057. The cubic root of 3108990249 is about 1459.5079108799.
The spelling of 3108990249 in words is "three billion, one hundred eight million, nine hundred ninety thousand, two hundred forty-nine".
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