Base | Representation |
---|---|
bin | 10100111111111010000… |
… | …111001011011111001101 |
3 | 12002221122212022212112112 |
4 | 110333322013023133031 |
5 | 142120241104331341 |
6 | 3022524301113405 |
7 | 206153065402160 |
oct | 24777207133715 |
9 | 5087585285475 |
10 | 1443010230221 |
11 | 506a827238aa |
12 | 1b37b9258865 |
13 | a60c9513241 |
14 | 4dbb08c3ad7 |
15 | 2780905baeb |
hex | 14ffa1cb7cd |
1443010230221 has 16 divisors (see below), whose sum is σ = 1760876857344. Its totient is φ = 1155575426544.
The previous prime is 1443010230217. The next prime is 1443010230289. The reversal of 1443010230221 is 1220320103441.
It is not a de Polignac number, because 1443010230221 - 22 = 1443010230217 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1443010230421) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104211641 + ... + 104225486.
It is an arithmetic number, because the mean of its divisors is an integer number (110054803584).
Almost surely, 21443010230221 is an apocalyptic number.
It is an amenable number.
1443010230221 is a deficient number, since it is larger than the sum of its proper divisors (317866627123).
1443010230221 is a wasteful number, since it uses less digits than its factorization.
1443010230221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 208437200.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 1443010230221 its reverse (1220320103441), we get a palindrome (2663330333662).
The spelling of 1443010230221 in words is "one trillion, four hundred forty-three billion, ten million, two hundred thirty thousand, two hundred twenty-one".
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