Base | Representation |
---|---|
bin | 11110101000110110010… |
… | …111101001010110011110 |
3 | 21110021112011100221110020 |
4 | 132220312113221112132 |
5 | 233443423203042030 |
6 | 4251121213453010 |
7 | 305053626635442 |
oct | 36506627512636 |
9 | 7407464327406 |
10 | 2105446143390 |
11 | 741a07506037 |
12 | 2a00717a1166 |
13 | 12370947bb65 |
14 | 73c92d48822 |
15 | 39b7a3e9510 |
hex | 1ea365e959e |
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".
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