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2142444404132 = 22618780509853
BaseRepresentation
bin11111001011010011101…
…000110011110110100100
321120211000122010022210122
4133023103220303312210
5240100211231413012
64320120402541112
7310533524651024
oct37132350636644
97524018108718
102142444404132
11756673015a2a
122a7278367798
1312705468b336
14759a29b9a84
153aae35e6e72
hex1f2d3a33da4

2142444404132 has 12 divisors (see below), whose sum is σ = 3810741276636. Its totient is φ = 1053661182240.

The previous prime is 2142444404129. The next prime is 2142444404153. The reversal of 2142444404132 is 2314044442412.

It can be written as a sum of positive squares in 2 ways, for example, as 1239761994916 + 902682409216 = 1113446^2 + 950096^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2142444404092 and 2142444404101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4390254683 + ... + 4390255170.

It is an arithmetic number, because the mean of its divisors is an integer number (317561773053).

Almost surely, 22142444404132 is an apocalyptic number.

It is an amenable number.

2142444404132 is a deficient number, since it is larger than the sum of its proper divisors (1668296872504).

2142444404132 is a wasteful number, since it uses less digits than its factorization.

2142444404132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8780509918 (or 8780509916 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 2142444404132 its reverse (2314044442412), we get a palindrome (4456488846544).

The spelling of 2142444404132 in words is "two trillion, one hundred forty-two billion, four hundred forty-four million, four hundred four thousand, one hundred thirty-two".

Divisors: 1 2 4 61 122 244 8780509853 17561019706 35122039412 535611101033 1071222202066 2142444404132