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2144300331145 = 57611004356127
BaseRepresentation
bin11111001101000010010…
…000100111000010001001
321120222210222101012001011
4133031002100213002021
5240113011341044040
64321024501523521
7310630522036660
oct37150220470211
97528728335034
102144300331145
117574356a9405
122a76b5a135a1
1312728c0304bb
1475adb28ddd7
153aba14eb3ea
hex1f342427089

2144300331145 has 16 divisors (see below), whose sum is σ = 2988963836928. Its totient is φ = 1446272821440.

The previous prime is 2144300331143. The next prime is 2144300331179. The reversal of 2144300331145 is 5411330034412.

It is not a de Polignac number, because 2144300331145 - 21 = 2144300331143 is a prime.

It is a super-2 number, since 2×21443003311452 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144300331143) 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 15 ways as a sum of consecutive naturals, for example, 502175929 + ... + 502180198.

It is an arithmetic number, because the mean of its divisors is an integer number (186810239808).

Almost surely, 22144300331145 is an apocalyptic number.

It is an amenable number.

2144300331145 is a deficient number, since it is larger than the sum of its proper divisors (844663505783).

2144300331145 is a wasteful number, since it uses less digits than its factorization.

2144300331145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004356200.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 2144300331145 its reverse (5411330034412), we get a palindrome (7555630365557).

The spelling of 2144300331145 in words is "two trillion, one hundred forty-four billion, three hundred million, three hundred thirty-one thousand, one hundred forty-five".

Divisors: 1 5 7 35 61 305 427 2135 1004356127 5021780635 7030492889 35152464445 61265723747 306328618735 428860066229 2144300331145