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12144455203 = 371033317743
BaseRepresentation
bin10110100111101110…
…11010111000100011
31011100100221020122011
423103313122320203
5144332440031303
65325025453351
7606644110636
oct132367327043
934310836564
1012144455203
115172256a41
12242b1a1257
1311b707198a
14832ca1c1d
154b12a716d
hex2d3ddae23

12144455203 has 8 divisors (see below), whose sum is σ = 12484797248. Its totient is φ = 11804750784.

The previous prime is 12144455201. The next prime is 12144455209. The reversal of 12144455203 is 30255444121.

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

It is a cyclic number.

It is not a de Polignac number, because 12144455203 - 21 = 12144455201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12144455201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120651 + ... + 197092.

It is an arithmetic number, because the mean of its divisors is an integer number (1560599656).

Almost surely, 212144455203 is an apocalyptic number.

12144455203 is a deficient number, since it is larger than the sum of its proper divisors (340342045).

12144455203 is a wasteful number, since it uses less digits than its factorization.

12144455203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318813.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 12144455203 its reverse (30255444121), we get a palindrome (42399899324).

The spelling of 12144455203 in words is "twelve billion, one hundred forty-four million, four hundred fifty-five thousand, two hundred three".

Divisors: 1 37 1033 38221 317743 11756491 328228519 12144455203