Base | Representation |
---|---|
bin | 1010000010011111… |
… | …0010100000010000 |
3 | 20221210201021010100 |
4 | 2200213302200100 |
5 | 21004331110130 |
6 | 1123222332400 |
7 | 123531203103 |
oct | 24047624020 |
9 | 6853637110 |
10 | 2694785040 |
11 | 1163154982 |
12 | 63258a100 |
13 | 33c3abb7c |
14 | 1b7c7673a |
15 | 10b8a4c60 |
hex | a09f2810 |
2694785040 has 120 divisors (see below), whose sum is σ = 9139836888. Its totient is φ = 711475200.
The previous prime is 2694784973. The next prime is 2694785047. The reversal of 2694785040 is 405874962.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1607368464 + 1087416576 = 40092^2 + 32976^2 .
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (2694785047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54192 + ... + 91248.
Almost surely, 22694785040 is an apocalyptic number.
2694785040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2694785040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4569918444).
2694785040 is an abundant number, since it is smaller than the sum of its proper divisors (6445051848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2694785040 is a wasteful number, since it uses less digits than its factorization.
2694785040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37177 (or 37168 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 45.
The square root of 2694785040 is about 51911.3189969201. The cubic root of 2694785040 is about 1391.5795648610.
The spelling of 2694785040 in words is "two billion, six hundred ninety-four million, seven hundred eighty-five thousand, forty".
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