Base | Representation |
---|---|
bin | 1011100100010011… |
… | …0001111110000000 |
3 | 22000101200021200010 |
4 | 2321010301332000 |
5 | 22324342210313 |
6 | 1232035424520 |
7 | 136642250346 |
oct | 27104617600 |
9 | 8011607603 |
10 | 3105038208 |
11 | 1353793188 |
12 | 727a55140 |
13 | 3a63a031c |
14 | 216549996 |
15 | 1328e14c3 |
hex | b9131f80 |
3105038208 has 64 divisors (see below), whose sum is σ = 8260531200. Its totient is φ = 1033410048.
The previous prime is 3105038179. The next prime is 3105038257. The reversal of 3105038208 is 8028305013.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (64).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256353 + ... + 268191.
It is an arithmetic number, because the mean of its divisors is an integer number (129070800).
Almost surely, 23105038208 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3105038208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4130265600).
3105038208 is an abundant number, since it is smaller than the sum of its proper divisors (5155492992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3105038208 is a wasteful number, since it uses less digits than its factorization.
3105038208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12539 (or 12527 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 3105038208 is about 55722.8697035607. The cubic root of 3105038208 is about 1458.8892233092.
The spelling of 3105038208 in words is "three billion, one hundred five million, thirty-eight thousand, two hundred eight".
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