Base | Representation |
---|---|
bin | 1010011011110110… |
… | …1111001110010100 |
3 | 21020012221210211202 |
4 | 2212331233032110 |
5 | 21214101431233 |
6 | 1141543252032 |
7 | 126262552610 |
oct | 24675571624 |
9 | 7205853752 |
10 | 2801202068 |
11 | 1208229635 |
12 | 66214a018 |
13 | 35845b422 |
14 | 1c8058340 |
15 | 115dc5be8 |
hex | a6f6f394 |
2801202068 has 48 divisors (see below), whose sum is σ = 5876344320. Its totient is φ = 1143196416.
The previous prime is 2801202049. The next prime is 2801202071. The reversal of 2801202068 is 8602021082.
It is a self number, because there is not a number n which added to its sum of digits gives 2801202068.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19928 + ... + 77456.
It is an arithmetic number, because the mean of its divisors is an integer number (122423840).
Almost surely, 22801202068 is an apocalyptic number.
2801202068 is a gapful number since it is divisible by the number (28) 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 2801202068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2938172160).
2801202068 is an abundant number, since it is smaller than the sum of its proper divisors (3075142252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2801202068 is a wasteful number, since it uses less digits than its factorization.
2801202068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57624 (or 57622 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 29.
The square root of 2801202068 is about 52926.3834774302. The cubic root of 2801202068 is about 1409.6614159441.
The spelling of 2801202068 in words is "two billion, eight hundred one million, two hundred two thousand, sixty-eight".
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