Base | Representation |
---|---|
bin | 1001011101100101… |
… | …0101101001011000 |
3 | 20120000110110112201 |
4 | 2113121111221120 |
5 | 20200220030010 |
6 | 1100013015544 |
7 | 116641442203 |
oct | 22731255130 |
9 | 6500413481 |
10 | 2540001880 |
11 | 1093846009 |
12 | 5aa7845b4 |
13 | 3162c6ac0 |
14 | 1a14a493a |
15 | ececd23a |
hex | 97655a58 |
2540001880 has 32 divisors (see below), whose sum is σ = 6154621200. Its totient is φ = 937846656.
The previous prime is 2540001853. The next prime is 2540001881. The reversal of 2540001880 is 881000452.
2540001880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2540001881) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2441790 + ... + 2442829.
Almost surely, 22540001880 is an apocalyptic number.
2540001880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2540001880 is an abundant number, since it is smaller than the sum of its proper divisors (3614619320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2540001880 is a wasteful number, since it uses less digits than its factorization.
2540001880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4884643 (or 4884639 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 28.
The square root of 2540001880 is about 50398.4313247942. The cubic root of 2540001880 is about 1364.4093263883.
The spelling of 2540001880 in words is "two billion, five hundred forty million, one thousand, eight hundred eighty".
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