Base | Representation |
---|---|
bin | 1001001001100110101011… |
… | …01001011101011100110010 |
3 | 2122020120100210202222100122 |
4 | 10210303111221131130302 |
5 | 10114131220033330002 |
6 | 110443320135250242 |
7 | 4144465241334041 |
oct | 444632551353462 |
9 | 78216323688318 |
10 | 20121211230002 |
11 | 64583a31a9193 |
12 | 230b760b19982 |
13 | b2c5643c4c3c |
14 | 4d7c2c3b8558 |
15 | 24d5eb3446a2 |
hex | 124cd5a5d732 |
20121211230002 has 8 divisors (see below), whose sum is σ = 30181875750000. Its totient is φ = 10060585980004.
The previous prime is 20121211229939. The next prime is 20121211230007. The reversal of 20121211230002 is 20003211212102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (20121211230007) 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 3 ways as a sum of consecutive naturals, for example, 8501252 + ... + 10607247.
It is an arithmetic number, because the mean of its divisors is an integer number (3772734468750).
Almost surely, 220121211230002 is an apocalyptic number.
20121211230002 is a deficient number, since it is larger than the sum of its proper divisors (10060664519998).
20121211230002 is a wasteful number, since it uses less digits than its factorization.
20121211230002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19635000.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 20121211230002 its reverse (20003211212102), we get a palindrome (40124422442104).
The spelling of 20121211230002 in words is "twenty trillion, one hundred twenty-one billion, two hundred eleven million, two hundred thirty thousand, two".
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