Base | Representation |
---|---|
bin | 10000110111101011… |
… | …01001000111001001 |
3 | 212101012022022212101 |
4 | 20123311221013021 |
5 | 122022041401244 |
6 | 4054414313401 |
7 | 440304033505 |
oct | 103365510711 |
9 | 25335268771 |
10 | 9056981449 |
11 | 392848023a |
12 | 19091b8861 |
13 | b14511329 |
14 | 61cc09305 |
15 | 3801d50d4 |
hex | 21bd691c9 |
9056981449 has 4 divisors (see below), whose sum is σ = 9184544640. Its totient is φ = 8929418260.
The previous prime is 9056981443. The next prime is 9056981501. The reversal of 9056981449 is 9441896509.
9056981449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9441896509 = 17 ⋅555405677.
It is a cyclic number.
It is not a de Polignac number, because 9056981449 - 29 = 9056980937 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 9056981449.
It is not an unprimeable number, because it can be changed into a prime (9056981443) 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 3 ways as a sum of consecutive naturals, for example, 63781489 + ... + 63781630.
It is an arithmetic number, because the mean of its divisors is an integer number (2296136160).
Almost surely, 29056981449 is an apocalyptic number.
It is an amenable number.
9056981449 is a deficient number, since it is larger than the sum of its proper divisors (127563191).
9056981449 is a wasteful number, since it uses less digits than its factorization.
9056981449 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127563190.
The product of its (nonzero) digits is 2799360, while the sum is 55.
The square root of 9056981449 is about 95168.1745595659. The cubic root of 9056981449 is about 2084.4644499371.
The spelling of 9056981449 in words is "nine billion, fifty-six million, nine hundred eighty-one thousand, four hundred forty-nine".
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