Search a number
-
+
290003155049 = 745738890057
BaseRepresentation
bin1000011100001011000…
…10001111100001101001
31000201112211002200112102
410032011202033201221
514222411301430144
6341120422023145
726644356100646
oct4160542174151
91021484080472
10290003155049
11101a98247773
1248255577ab5
13214689a753a
14100715a0dcd
157824c25b4e
hex438588f869

290003155049 has 4 divisors (see below), whose sum is σ = 290042052564. Its totient is φ = 289964257536.

The previous prime is 290003155037. The next prime is 290003155081. The reversal of 290003155049 is 940551300092.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 159974401024 + 130028754025 = 399968^2 + 360595^2 .

It is a cyclic number.

It is not a de Polignac number, because 290003155049 - 216 = 290003089513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (290003155349) 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, 19437572 + ... + 19452485.

It is an arithmetic number, because the mean of its divisors is an integer number (72510513141).

Almost surely, 2290003155049 is an apocalyptic number.

It is an amenable number.

290003155049 is a deficient number, since it is larger than the sum of its proper divisors (38897515).

290003155049 is an equidigital number, since it uses as much as digits as its factorization.

290003155049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38897514.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 290003155049 in words is "two hundred ninety billion, three million, one hundred fifty-five thousand, forty-nine".

Divisors: 1 7457 38890057 290003155049