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2240144123 = 7245717227
BaseRepresentation
bin1000010110000101…
…1110001011111011
312210010020010000212
42011201132023323
514041434102443
61010142021335
7106340624300
oct20541361373
95703203025
102240144123
11a4a559488
1252627784b
13299148989
1417372b0a7
15d19eb618
hex8585e2fb

2240144123 has 6 divisors (see below), whose sum is σ = 2605881996. Its totient is φ = 1920123492.

The previous prime is 2240144113. The next prime is 2240144131. The reversal of 2240144123 is 3214410422.

It is not a de Polignac number, because 2240144123 - 24 = 2240144107 is a prime.

It is a super-2 number, since 2×22401441232 = 10036491383622878258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240144113) 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 5 ways as a sum of consecutive naturals, for example, 22858565 + ... + 22858662.

It is an arithmetic number, because the mean of its divisors is an integer number (434313666).

Almost surely, 22240144123 is an apocalyptic number.

2240144123 is a deficient number, since it is larger than the sum of its proper divisors (365737873).

2240144123 is an equidigital number, since it uses as much as digits as its factorization.

2240144123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45717241 (or 45717234 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2240144123 is about 47330.1608173900. The cubic root of 2240144123 is about 1308.4545851337.

Adding to 2240144123 its reverse (3214410422), we get a palindrome (5454554545).

The spelling of 2240144123 in words is "two billion, two hundred forty million, one hundred forty-four thousand, one hundred twenty-three".

Divisors: 1 7 49 45717227 320020589 2240144123