Base | Representation |
---|---|
bin | 10110101111110101… |
… | …00100011000101011 |
3 | 1011112002202122212020 |
4 | 23113322210120223 |
5 | 200002332430134 |
6 | 5335453515523 |
7 | 611430411606 |
oct | 132772443053 |
9 | 34462678766 |
10 | 12212389419 |
11 | 51a7636a1a |
12 | 2449aa2ba3 |
13 | 11c8169139 |
14 | 83bd0733d |
15 | 4b7225b49 |
hex | 2d7ea462b |
12212389419 has 16 divisors (see below), whose sum is σ = 16998086400. Its totient is φ = 7784431776.
The previous prime is 12212389393. The next prime is 12212389439. The reversal of 12212389419 is 91498321221.
It is not a de Polignac number, because 12212389419 - 216 = 12212323883 is a prime.
It is a super-2 number, since 2×122123894192 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12212389439) by changing a digit.
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, 140337 + ... + 210045.
It is an arithmetic number, because the mean of its divisors is an integer number (1062380400).
Almost surely, 212212389419 is an apocalyptic number.
12212389419 is a deficient number, since it is larger than the sum of its proper divisors (4785696981).
12212389419 is a wasteful number, since it uses less digits than its factorization.
12212389419 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72274.
The product of its digits is 62208, while the sum is 42.
The spelling of 12212389419 in words is "twelve billion, two hundred twelve million, three hundred eighty-nine thousand, four hundred nineteen".
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