Base | Representation |
---|---|
bin | 1010011100001011… |
… | …1100101111010000 |
3 | 21020022112012202011 |
4 | 2213002330233100 |
5 | 21214424140034 |
6 | 1142032432304 |
7 | 126310302415 |
oct | 24702745720 |
9 | 7208465664 |
10 | 2802568144 |
11 | 1208a81a22 |
12 | 6626a8694 |
13 | 35881915c |
14 | 1c82d210c |
15 | 116095864 |
hex | a70bcbd0 |
2802568144 has 60 divisors (see below), whose sum is σ = 5663948868. Its totient is φ = 1343247360.
The previous prime is 2802568127. The next prime is 2802568151. The reversal of 2802568144 is 4418652082.
It is a happy number.
2802568144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 697593744 + 2104974400 = 26412^2 + 45880^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2802568097 and 2802568106.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1736682 + ... + 1738294.
Almost surely, 22802568144 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 2802568144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2831974434).
2802568144 is an abundant number, since it is smaller than the sum of its proper divisors (2861380724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2802568144 is a wasteful number, since it uses less digits than its factorization.
2802568144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1796 (or 1759 counting only the distinct ones).
The product of its (nonzero) digits is 122880, while the sum is 40.
The square root of 2802568144 is about 52939.2873393664. The cubic root of 2802568144 is about 1409.8905308772.
It can be divided in two parts, 28025 and 68144, that added together give a palindrome (96169).
The spelling of 2802568144 in words is "two billion, eight hundred two million, five hundred sixty-eight thousand, one hundred forty-four".
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