Base | Representation |
---|---|
bin | 1000010110110011… |
… | …1110110100111111 |
3 | 12210022220101222010 |
4 | 2011230332310333 |
5 | 14043222131112 |
6 | 1010330422303 |
7 | 106405362114 |
oct | 20554766477 |
9 | 5708811863 |
10 | 2243161407 |
11 | a5122a403 |
12 | 527291993 |
13 | 299964156 |
14 | 173cb490b |
15 | d1de563c |
hex | 85b3ed3f |
2243161407 has 16 divisors (see below), whose sum is σ = 3214086912. Its totient is φ = 1386464640.
The previous prime is 2243161399. The next prime is 2243161409. The reversal of 2243161407 is 7041613422.
It is not a de Polignac number, because 2243161407 - 23 = 2243161399 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2243161409) 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, 324819 + ... + 331652.
It is an arithmetic number, because the mean of its divisors is an integer number (200880432).
Almost surely, 22243161407 is an apocalyptic number.
2243161407 is a deficient number, since it is larger than the sum of its proper divisors (970925505).
2243161407 is a wasteful number, since it uses less digits than its factorization.
2243161407 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 656558.
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 2243161407 is about 47362.0249461528. The cubic root of 2243161407 is about 1309.0417806685.
Adding to 2243161407 its reverse (7041613422), we get a palindrome (9284774829).
It can be divided in two parts, 22431 and 61407, that added together give a palindrome (83838).
The spelling of 2243161407 in words is "two billion, two hundred forty-three million, one hundred sixty-one thousand, four hundred seven".
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