Base | Representation |
---|---|
bin | 1010101011110011… |
… | …0111010100011100 |
3 | 21101212210122210100 |
4 | 2222330313110130 |
5 | 21333212110243 |
6 | 1152332541100 |
7 | 131034202644 |
oct | 25274672434 |
9 | 7355718710 |
10 | 2868081948 |
11 | 1241a59466 |
12 | 680621790 |
13 | 369276a14 |
14 | 1d2ca7524 |
15 | 11bbd70d3 |
hex | aaf3751c |
2868081948 has 18 divisors (see below), whose sum is σ = 7249873904. Its totient is φ = 956027304.
The previous prime is 2868081929. The next prime is 2868081949. The reversal of 2868081948 is 8491808682.
It is a tau number, because it is divible by the number of its divisors (18).
It is a junction number, because it is equal to n+sod(n) for n = 2868081894 and 2868081903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2868081949) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39834436 + ... + 39834507.
Almost surely, 22868081948 is an apocalyptic number.
It is an amenable number.
2868081948 is an abundant number, since it is smaller than the sum of its proper divisors (4381791956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2868081948 is a wasteful number, since it uses less digits than its factorization.
2868081948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79668953 (or 79668948 counting only the distinct ones).
The product of its (nonzero) digits is 1769472, while the sum is 54.
The square root of 2868081948 is about 53554.4764515535. The cubic root of 2868081948 is about 1420.7920510174.
The spelling of 2868081948 in words is "two billion, eight hundred sixty-eight million, eighty-one thousand, nine hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •