Base | Representation |
---|---|
bin | 10001111101001111… |
… | …010100000100010110 |
3 | 1211202201200002102111 |
4 | 101331033110010112 |
5 | 303441421114132 |
6 | 12505123301234 |
7 | 1251542045416 |
oct | 217517240426 |
9 | 54681602374 |
10 | 19281035542 |
11 | 81a470741a |
12 | 38a121a81a |
13 | 1a83758592 |
14 | d0ca12646 |
15 | 77ca9e647 |
hex | 47d3d4116 |
19281035542 has 16 divisors (see below), whose sum is σ = 29227024512. Its totient is φ = 9538819200.
The previous prime is 19281035533. The next prime is 19281035549. The reversal of 19281035542 is 24553018291.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 19281035495 and 19281035504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19281035549) 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 7 ways as a sum of consecutive naturals, for example, 286078 + ... + 346990.
It is an arithmetic number, because the mean of its divisors is an integer number (1826689032).
Almost surely, 219281035542 is an apocalyptic number.
19281035542 is a deficient number, since it is larger than the sum of its proper divisors (9945988970).
19281035542 is a wasteful number, since it uses less digits than its factorization.
19281035542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62583.
The product of its (nonzero) digits is 86400, while the sum is 40.
The spelling of 19281035542 in words is "nineteen billion, two hundred eighty-one million, thirty-five thousand, five hundred forty-two".
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