Search a number
-
+
2050122769 = 17313385289
BaseRepresentation
bin111101000110010…
…0110010000010001
312021212200000201221
41322030212100101
513144312412034
6535233125041
7101542520212
oct17214462021
95255600657
102050122769
11962271642
124926b9781
132689765c6
141563c5409
15beeb3bb4
hex7a326411

2050122769 has 8 divisors (see below), whose sum is σ = 2177659080. Its totient is φ = 1923357696.

The previous prime is 2050122691. The next prime is 2050122787. The reversal of 2050122769 is 9672210502.

It can be written as a sum of positive squares in 4 ways, for example, as 278723025 + 1771399744 = 16695^2 + 42088^2 .

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

It is not a de Polignac number, because 2050122769 - 215 = 2050090001 is a prime.

It is a super-2 number, since 2×20501227692 = 8406006735944454722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2050129769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187324 + ... + 197965.

It is an arithmetic number, because the mean of its divisors is an integer number (272207385).

Almost surely, 22050122769 is an apocalyptic number.

It is an amenable number.

2050122769 is a deficient number, since it is larger than the sum of its proper divisors (127536311).

2050122769 is a wasteful number, since it uses less digits than its factorization.

2050122769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385619.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2050122769 is about 45278.2814271920. The cubic root of 2050122769 is about 1270.3594512331.

The spelling of 2050122769 in words is "two billion, fifty million, one hundred twenty-two thousand, seven hundred sixty-nine".

Divisors: 1 17 313 5321 385289 6549913 120595457 2050122769