Search a number
-
+
2550549065 = 5758967217
BaseRepresentation
bin1001100000000110…
…0100101001001001
320120202022022120012
42120001210221021
520210420032230
61101031041305
7120130211051
oct23001445111
96522268505
102550549065
11109979a299
125b2210235
1331854a73c
141a2a4c561
15eddb3395
hex98064a49

2550549065 has 8 divisors (see below), whose sum is σ = 3061107720. Its totient is φ = 2040140032.

The previous prime is 2550549013. The next prime is 2550549107. The reversal of 2550549065 is 5609450552.

It can be written as a sum of positive squares in 4 ways, for example, as 121242121 + 2429306944 = 11011^2 + 49288^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2550549065 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4337 + ... + 71553.

It is an arithmetic number, because the mean of its divisors is an integer number (382638465).

Almost surely, 22550549065 is an apocalyptic number.

It is an amenable number.

2550549065 is a deficient number, since it is larger than the sum of its proper divisors (510558655).

2550549065 is an equidigital number, since it uses as much as digits as its factorization.

2550549065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74811.

The product of its (nonzero) digits is 270000, while the sum is 41.

The square root of 2550549065 is about 50502.9609527996. The cubic root of 2550549065 is about 1366.2952573593.

The spelling of 2550549065 in words is "two billion, five hundred fifty million, five hundred forty-nine thousand, sixty-five".

Divisors: 1 5 7589 37945 67217 336085 510109813 2550549065