Base | Representation |
---|---|
bin | 10110110001000110… |
… | …11110001111011010 |
3 | 1011112211221102200120 |
4 | 23120203132033122 |
5 | 200013104042104 |
6 | 5340515414110 |
7 | 611620511331 |
oct | 133043361732 |
9 | 34484842616 |
10 | 12223112154 |
11 | 52026a0090 |
12 | 24515b4336 |
13 | 11ca451956 |
14 | 83d4d8d18 |
15 | 4b8142cd9 |
hex | 2d88de3da |
12223112154 has 32 divisors (see below), whose sum is σ = 27588219840. Its totient is φ = 3576249600.
The previous prime is 12223112131. The next prime is 12223112177. The reversal of 12223112154 is 45121132221.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (12223112131) and next prime (12223112177).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3191167 + ... + 3194994.
It is an arithmetic number, because the mean of its divisors is an integer number (862131870).
Almost surely, 212223112154 is an apocalyptic number.
12223112154 is an abundant number, since it is smaller than the sum of its proper divisors (15365107686).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12223112154 is a wasteful number, since it uses less digits than its factorization.
12223112154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6386206.
The product of its digits is 960, while the sum is 24.
Adding to 12223112154 its reverse (45121132221), we get a palindrome (57344244375).
The spelling of 12223112154 in words is "twelve billion, two hundred twenty-three million, one hundred twelve thousand, one hundred fifty-four".
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