Base | Representation |
---|---|
bin | 1011000111111000011000… |
… | …0000101100100001011100 |
3 | 1121022011211010201000200122 |
4 | 2301332012000230201130 |
5 | 3100334040134033040 |
6 | 42002221013414112 |
7 | 2401406205434540 |
oct | 261760600544134 |
9 | 47264733630618 |
10 | 12230020221020 |
11 | 39957a4640418 |
12 | 145631503a338 |
13 | 6a9394333a44 |
14 | 303d16a8da20 |
15 | 1631e6b651b5 |
hex | b1f8602c85c |
12230020221020 has 48 divisors (see below), whose sum is σ = 29352869477568. Its totient is φ = 4193032512000.
The previous prime is 12230020220987. The next prime is 12230020221079. The reversal of 12230020221020 is 2012202003221.
It is a self number, because there is not a number n which added to its sum of digits gives 12230020221020.
It is a congruent number.
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, 3877520 + ... + 6284520.
It is an arithmetic number, because the mean of its divisors is an integer number (611518114116).
Almost surely, 212230020221020 is an apocalyptic number.
12230020221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12230020221020 is an abundant number, since it is smaller than the sum of its proper divisors (17122849256548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12230020221020 is a wasteful number, since it uses less digits than its factorization.
12230020221020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2443310 (or 2443308 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 12230020221020 its reverse (2012202003221), we get a palindrome (14242222224241).
The spelling of 12230020221020 in words is "twelve trillion, two hundred thirty billion, twenty million, two hundred twenty-one thousand, twenty".
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