Base | Representation |
---|---|
bin | 1001011101010010… |
… | …0010000101111111 |
3 | 20112221002110111210 |
4 | 2113110202011333 |
5 | 20144404222033 |
6 | 1055530015503 |
7 | 116624644410 |
oct | 22724420577 |
9 | 6487073453 |
10 | 2538742143 |
11 | 1093065603 |
12 | 5aa277593 |
13 | 315c755b2 |
14 | 1a1257807 |
15 | ecd2ed63 |
hex | 9752217f |
2538742143 has 32 divisors (see below), whose sum is σ = 3901685760. Its totient is φ = 1438339680.
The previous prime is 2538742109. The next prime is 2538742159. The reversal of 2538742143 is 3412478352.
It is not a de Polignac number, because 2538742143 - 26 = 2538742079 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2538742163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1619346 + ... + 1620912.
It is an arithmetic number, because the mean of its divisors is an integer number (121927680).
Almost surely, 22538742143 is an apocalyptic number.
2538742143 is a deficient number, since it is larger than the sum of its proper divisors (1362943617).
2538742143 is a wasteful number, since it uses less digits than its factorization.
2538742143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2187.
The product of its digits is 161280, while the sum is 39.
The square root of 2538742143 is about 50385.9319949527. The cubic root of 2538742143 is about 1364.1837253557.
The spelling of 2538742143 in words is "two billion, five hundred thirty-eight million, seven hundred forty-two thousand, one hundred forty-three".
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