Base | Representation |
---|---|
bin | 100000010100101… |
… | …1110000110000001 |
3 | 2210120220001022121 |
4 | 1000221132012001 |
5 | 4210130103433 |
6 | 255343004241 |
7 | 35610026002 |
oct | 10051360601 |
9 | 2716801277 |
10 | 1084612993 |
11 | 507265882 |
12 | 263299681 |
13 | 143924149 |
14 | a40951a9 |
15 | 65346c2d |
hex | 40a5e181 |
1084612993 has 4 divisors (see below), whose sum is σ = 1085244208. Its totient is φ = 1083981780.
The previous prime is 1084612987. The next prime is 1084612999. The reversal of 1084612993 is 3992164801.
It is a happy number.
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.
It is an interprime number because it is at equal distance from previous prime (1084612987) and next prime (1084612999).
It is a cyclic number.
It is not a de Polignac number, because 1084612993 - 25 = 1084612961 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1084612999) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313023 + ... + 316468.
It is an arithmetic number, because the mean of its divisors is an integer number (271311052).
Almost surely, 21084612993 is an apocalyptic number.
It is an amenable number.
1084612993 is a deficient number, since it is larger than the sum of its proper divisors (631215).
1084612993 is an equidigital number, since it uses as much as digits as its factorization.
1084612993 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 631214.
The product of its (nonzero) digits is 93312, while the sum is 43.
The square root of 1084612993 is about 32933.4631188401. The cubic root of 1084612993 is about 1027.4442537189. Note that the first 3 decimals are identical.
The spelling of 1084612993 in words is "one billion, eighty-four million, six hundred twelve thousand, nine hundred ninety-three".
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