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2105446143390 = 235344692036077
BaseRepresentation
bin11110101000110110010…
…111101001010110011110
321110021112011100221110020
4132220312113221112132
5233443423203042030
64251121213453010
7305053626635442
oct36506627512636
97407464327406
102105446143390
11741a07506037
122a00717a1166
1312370947bb65
1473c92d48822
1539b7a3e9510
hex1ea365e959e

2105446143390 has 32 divisors (see below), whose sum is σ = 5053219823520. Its totient is φ = 561435740544.

The previous prime is 2105446143389. The next prime is 2105446143419. The reversal of 2105446143390 is 933416445012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16032 + ... + 2052108.

It is an arithmetic number, because the mean of its divisors is an integer number (157913119485).

Almost surely, 22105446143390 is an apocalyptic number.

2105446143390 is an abundant number, since it is smaller than the sum of its proper divisors (2947773680130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105446143390 is a wasteful number, since it uses less digits than its factorization.

2105446143390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070556.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 2105446143390 in words is "two trillion, one hundred five billion, four hundred forty-six million, one hundred forty-three thousand, three hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 34469 68938 103407 172345 206814 344690 517035 1034070 2036077 4072154 6108231 10180385 12216462 20360770 30541155 61082310 70181538113 140363076226 210544614339 350907690565 421089228678 701815381130 1052723071695 2105446143390