Base | Representation |
---|---|
bin | 1001010010110010… |
… | …11100010000010001 |
3 | 110212201121222200012 |
4 | 10221121130100101 |
5 | 40204303034411 |
6 | 2143034204305 |
7 | 234434033315 |
oct | 45131342021 |
9 | 13781558605 |
10 | 4989502481 |
11 | 2130498077 |
12 | b72b83695 |
13 | 616924742 |
14 | 35492bb45 |
15 | 1e308118b |
hex | 12965c411 |
4989502481 has 2 divisors, whose sum is σ = 4989502482. Its totient is φ = 4989502480.
The previous prime is 4989502471. The next prime is 4989502537. The reversal of 4989502481 is 1842059894.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2890030081 + 2099472400 = 53759^2 + 45820^2 .
It is a cyclic number.
It is not a de Polignac number, because 4989502481 - 26 = 4989502417 is a prime.
It is a super-2 number, since 2×49895024812 = 49790270015810310722, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (4989502471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2494751240 + 2494751241.
It is an arithmetic number, because the mean of its divisors is an integer number (2494751241).
Almost surely, 24989502481 is an apocalyptic number.
It is an amenable number.
4989502481 is a deficient number, since it is larger than the sum of its proper divisors (1).
4989502481 is an equidigital number, since it uses as much as digits as its factorization.
4989502481 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 829440, while the sum is 50.
The square root of 4989502481 is about 70636.4104481534. The cubic root of 4989502481 is about 1708.7784078735.
The spelling of 4989502481 in words is "four billion, nine hundred eighty-nine million, five hundred two thousand, four hundred eighty-one".
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