Base | Representation |
---|---|
bin | 1000111001000010… |
… | …1100110011010001 |
3 | 20011100002002011200 |
4 | 2032100230303101 |
5 | 14342001224411 |
6 | 1032500101413 |
7 | 113100655614 |
oct | 21620546321 |
9 | 6140062150 |
10 | 2386742481 |
11 | 1015287a52 |
12 | 567394869 |
13 | 2c0626476 |
14 | 188dac17b |
15 | de807e56 |
hex | 8e42ccd1 |
2386742481 has 12 divisors (see below), whose sum is σ = 3512565108. Its totient is φ = 1561139424.
The previous prime is 2386742473. The next prime is 2386742497. The reversal of 2386742481 is 1842476832.
It is a happy number.
2386742481 is a `hidden beast` number, since 23 + 86 + 74 + 2 + 481 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 794732481 + 1592010000 = 28191^2 + 39900^2 .
It is not a de Polignac number, because 2386742481 - 23 = 2386742473 is a prime.
It is a super-2 number, since 2×23867424812 = 11393079341220070722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2386742401) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2501350 + ... + 2502303.
It is an arithmetic number, because the mean of its divisors is an integer number (292713759).
Almost surely, 22386742481 is an apocalyptic number.
It is an amenable number.
2386742481 is a deficient number, since it is larger than the sum of its proper divisors (1125822627).
2386742481 is a wasteful number, since it uses less digits than its factorization.
2386742481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5003712 (or 5003709 counting only the distinct ones).
The product of its digits is 516096, while the sum is 45.
The square root of 2386742481 is about 48854.2984905116. The cubic root of 2386742481 is about 1336.3960634528.
The spelling of 2386742481 in words is "two billion, three hundred eighty-six million, seven hundred forty-two thousand, four hundred eighty-one".
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