Base | Representation |
---|---|
bin | 10100101011110101… |
… | …001111000100110000 |
3 | 2010022212102200022210 |
4 | 110223311033010300 |
5 | 330441303242034 |
6 | 14111521532120 |
7 | 1414250455041 |
oct | 245365170460 |
9 | 63285380283 |
10 | 22210212144 |
11 | 94680a412a |
12 | 437a1a4040 |
13 | 212c573583 |
14 | 1109a608c8 |
15 | 89ed038e9 |
hex | 52bd4f130 |
22210212144 has 40 divisors (see below), whose sum is σ = 57538964592. Its totient is φ = 7382425600.
The previous prime is 22210212137. The next prime is 22210212217. The reversal of 22210212144 is 44121201222.
It is a self number, because there is not a number n which added to its sum of digits gives 22210212144.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638457 + ... + 672344.
Almost surely, 222210212144 is an apocalyptic number.
22210212144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
22210212144 is an abundant number, since it is smaller than the sum of its proper divisors (35328752448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22210212144 is a wasteful number, since it uses less digits than its factorization.
22210212144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1311165 (or 1311159 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 22210212144 its reverse (44121201222), we get a palindrome (66331413366).
The spelling of 22210212144 in words is "twenty-two billion, two hundred ten million, two hundred twelve thousand, one hundred forty-four".
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