Base | Representation |
---|---|
bin | 1000000001100100… |
… | …0001101100101010 |
3 | 12120010012210010220 |
4 | 2000121001230222 |
5 | 13402413403302 |
6 | 553424350510 |
7 | 104244034152 |
oct | 20031015452 |
9 | 5503183126 |
10 | 2154044202 |
11 | a059a1322 |
12 | 501475436 |
13 | 284360c8b |
14 | 166117762 |
15 | c91904bc |
hex | 80641b2a |
2154044202 has 16 divisors (see below), whose sum is σ = 4309160160. Its totient is φ = 717836112.
The previous prime is 2154044197. The next prime is 2154044203. The reversal of 2154044202 is 2024404512.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (2154044203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17233 + ... + 67860.
It is an arithmetic number, because the mean of its divisors is an integer number (269322510).
Almost surely, 22154044202 is an apocalyptic number.
2154044202 is an abundant number, since it is smaller than the sum of its proper divisors (2155115958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2154044202 is a wasteful number, since it uses less digits than its factorization.
2154044202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89317.
The product of its (nonzero) digits is 2560, while the sum is 24.
The square root of 2154044202 is about 46411.6817406997. The cubic root of 2154044202 is about 1291.4716298251.
Adding to 2154044202 its reverse (2024404512), we get a palindrome (4178448714).
The spelling of 2154044202 in words is "two billion, one hundred fifty-four million, forty-four thousand, two hundred two".
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