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2144051205025 = 52216133968077
BaseRepresentation
bin11111001100110011011…
…010010001001110100001
321120222011121121021020211
4133030303122101032201
5240112004102030100
64320544042134121
7310621405354522
oct37146332211641
97528147537224
102144051205025
11757318012254
122a76464b1341
1312724c5357b2
1475ab6160849
153ab896db1ba
hex1f3336913a1

2144051205025 has 12 divisors (see below), whose sum is σ = 2658747174652. Its totient is φ = 1715161170240.

The previous prime is 2144051205011. The next prime is 2144051205029. The reversal of 2144051205025 is 5205021504412.

It can be written as a sum of positive squares in 6 ways, for example, as 231719002384 + 1912332202641 = 481372^2 + 1382871^2 .

It is not a de Polignac number, because 2144051205025 - 211 = 2144051202977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144051205029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1443714 + ... + 2524363.

Almost surely, 22144051205025 is an apocalyptic number.

2144051205025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2144051205025 is a deficient number, since it is larger than the sum of its proper divisors (514695969627).

2144051205025 is a wasteful number, since it uses less digits than its factorization.

2144051205025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989700 (or 3989695 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 2144051205025 its reverse (5205021504412), we get a palindrome (7349072709437).

The spelling of 2144051205025 in words is "two trillion, one hundred forty-four billion, fifty-one million, two hundred five thousand, twenty-five".

Divisors: 1 5 25 21613 108065 540325 3968077 19840385 99201925 85762048201 428810241005 2144051205025