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2205054243142 = 21723814972739
BaseRepresentation
bin100000000101100111011…
…110011001000101000110
321210210122000120200121221
4200011213132121011012
5242111422341240032
64404553221030554
7315211204545562
oct40054736310506
97723560520557
102205054243142
117801816a8733
122b743025545a
1312cc21a2495a
1478a21d126a2
153c55a020597
hex20167799146

2205054243142 has 12 divisors (see below), whose sum is σ = 3513589893540. Its totient is φ = 1037672584736.

The previous prime is 2205054243137. The next prime is 2205054243143. The reversal of 2205054243142 is 2413424505022.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 2205054243098 and 2205054243107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205054243143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1907485792 + ... + 1907486947.

It is an arithmetic number, because the mean of its divisors is an integer number (292799157795).

Almost surely, 22205054243142 is an apocalyptic number.

2205054243142 is a deficient number, since it is larger than the sum of its proper divisors (1308535650398).

2205054243142 is a wasteful number, since it uses less digits than its factorization.

2205054243142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814972775 (or 3814972758 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 2205054243142 its reverse (2413424505022), we get a palindrome (4618478748164).

The spelling of 2205054243142 in words is "two trillion, two hundred five billion, fifty-four million, two hundred forty-three thousand, one hundred forty-two".

Divisors: 1 2 17 34 289 578 3814972739 7629945478 64854536563 129709073126 1102527121571 2205054243142