Base | Representation |
---|---|
bin | 1110111010010100… |
… | …11000101100010101 |
3 | 202122220200020020000 |
4 | 13131022120230111 |
5 | 112343344021423 |
6 | 3402212401513 |
7 | 402245145552 |
oct | 73512305425 |
9 | 22586606200 |
10 | 8005454613 |
11 | 34389635a2 |
12 | 1675016299 |
13 | 9a7702ac0 |
14 | 55d2c7a29 |
15 | 31cc26843 |
hex | 1dd298b15 |
8005454613 has 20 divisors (see below), whose sum is σ = 12878672268. Its totient is φ = 4926432960.
The previous prime is 8005454591. The next prime is 8005454617. The reversal of 8005454613 is 3164545008.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1359618129 + 6645836484 = 36873^2 + 81522^2 .
It is not a de Polignac number, because 8005454613 - 217 = 8005323541 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8005454617) 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 19 ways as a sum of consecutive naturals, for example, 3800208 + ... + 3802313.
Almost surely, 28005454613 is an apocalyptic number.
It is an amenable number.
8005454613 is a deficient number, since it is larger than the sum of its proper divisors (4873217655).
8005454613 is a wasteful number, since it uses less digits than its factorization.
8005454613 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7602546 (or 7602537 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 36.
The square root of 8005454613 is about 89473.2061178094. The cubic root of 8005454613 is about 2000.4544478141.
The spelling of 8005454613 in words is "eight billion, five million, four hundred fifty-four thousand, six hundred thirteen".
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