Base | Representation |
---|---|
bin | 101000111111110110… |
… | …110010111111100100 |
3 | 11012121220021121120100 |
4 | 220333312302333210 |
5 | 1210123334032322 |
6 | 32120054504100 |
7 | 3115611226215 |
oct | 507766627744 |
9 | 135556247510 |
10 | 44021002212 |
11 | 1773a787570 |
12 | 8646665030 |
13 | 41c7148605 |
14 | 21b862b40c |
15 | 1229a09dac |
hex | a3fdb2fe4 |
44021002212 has 36 divisors (see below), whose sum is σ = 121391249616. Its totient is φ = 13339697520.
The previous prime is 44021002211. The next prime is 44021002253. The reversal of 44021002212 is 21220012044.
44021002212 is a `hidden beast` number, since 440 + 2 + 1 + 0 + 0 + 221 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (44021002211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55581678 + ... + 55582469.
It is an arithmetic number, because the mean of its divisors is an integer number (3371979156).
Almost surely, 244021002212 is an apocalyptic number.
It is an amenable number.
44021002212 is an abundant number, since it is smaller than the sum of its proper divisors (77370247404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
44021002212 is a wasteful number, since it uses less digits than its factorization.
44021002212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111164168 (or 111164163 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 44021002212 its reverse (21220012044), we get a palindrome (65241014256).
The spelling of 44021002212 in words is "forty-four billion, twenty-one million, two thousand, two hundred twelve".
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