Base | Representation |
---|---|
bin | 10110101111110101… |
… | …01010001110100000 |
3 | 1011112002210212200100 |
4 | 23113322222032200 |
5 | 200002334211334 |
6 | 5335454222400 |
7 | 611430541425 |
oct | 132772521640 |
9 | 34462725610 |
10 | 12212413344 |
11 | 51a765299a |
12 | 2449ab4a00 |
13 | 11c8176cb1 |
14 | 83bd11d4c |
15 | 4b722cc99 |
hex | 2d7eaa3a0 |
12212413344 has 72 divisors (see below), whose sum is σ = 34750235520. Its totient is φ = 4068321408.
The previous prime is 12212413321. The next prime is 12212413351. The reversal of 12212413344 is 44331421221.
12212413344 is a `hidden beast` number, since 1 + 2 + 212 + 413 + 34 + 4 = 666.
It is a tau number, because it is divible by the number of its divisors (72).
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 494539 + ... + 518645.
It is an arithmetic number, because the mean of its divisors is an integer number (482642160).
Almost surely, 212212413344 is an apocalyptic number.
It is an amenable number.
12212413344 is an abundant number, since it is smaller than the sum of its proper divisors (22537822176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12212413344 is a wasteful number, since it uses less digits than its factorization.
12212413344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25882 (or 25871 counting only the distinct ones).
The product of its digits is 4608, while the sum is 27.
Adding to 12212413344 its reverse (44331421221), we get a palindrome (56543834565).
The spelling of 12212413344 in words is "twelve billion, two hundred twelve million, four hundred thirteen thousand, three hundred forty-four".
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