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250138011 = 383379337
BaseRepresentation
bin11101110100011…
…00110110011011
3122102200022211210
432322030312123
51003013404021
640453154203
76125065224
oct1672146633
9572608753
10250138011
11119218432
126b92b963
133ca90476
142531424b
1516e5ee76
hexee8cd9b

250138011 has 4 divisors (see below), whose sum is σ = 333517352. Its totient is φ = 166758672.

The previous prime is 250137991. The next prime is 250138033. The reversal of 250138011 is 110831052.

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

It is not a de Polignac number, because 250138011 - 26 = 250137947 is a prime.

It is a super-2 number, since 2×2501380112 = 125138049094072242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250138061) 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, 41689666 + ... + 41689671.

It is an arithmetic number, because the mean of its divisors is an integer number (83379338).

Almost surely, 2250138011 is an apocalyptic number.

250138011 is a deficient number, since it is larger than the sum of its proper divisors (83379341).

250138011 is an equidigital number, since it uses as much as digits as its factorization.

250138011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83379340.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 250138011 is about 15815.7519897095. The cubic root of 250138011 is about 630.0764255986.

Adding to 250138011 its reverse (110831052), we get a palindrome (360969063).

The spelling of 250138011 in words is "two hundred fifty million, one hundred thirty-eight thousand, eleven".

Divisors: 1 3 83379337 250138011