Base | Representation |
---|---|
bin | 1001111111010011… |
… | …1111101101110010 |
3 | 20220212122210001200 |
4 | 2133310333231302 |
5 | 20442424013220 |
6 | 1122025112030 |
7 | 123310055145 |
oct | 23764775562 |
9 | 6825583050 |
10 | 2681469810 |
11 | 115668aa58 |
12 | 62a028616 |
13 | 3396c9336 |
14 | 1b61ac05c |
15 | 10a624890 |
hex | 9fd3fb72 |
2681469810 has 96 divisors (see below), whose sum is σ = 7477479360. Its totient is φ = 664619904.
The previous prime is 2681469751. The next prime is 2681469811. The reversal of 2681469810 is 189641862.
It is a super-2 number, since 2×26814698102 = 14380560683882872200, which contains 22 as substring.
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 (2681469811) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75837 + ... + 105423.
It is an arithmetic number, because the mean of its divisors is an integer number (77890410).
Almost surely, 22681469810 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2681469810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3738739680).
2681469810 is an abundant number, since it is smaller than the sum of its proper divisors (4796009550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2681469810 is a wasteful number, since it uses less digits than its factorization.
2681469810 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29672 (or 29669 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 45.
The square root of 2681469810 is about 51782.9104048816. The cubic root of 2681469810 is about 1389.2837967977.
The spelling of 2681469810 in words is "two billion, six hundred eighty-one million, four hundred sixty-nine thousand, eight hundred ten".
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