Base | Representation |
---|---|
bin | 1001001001010101101101… |
… | …00110000110011110110001 |
3 | 2122012200211211222212001221 |
4 | 10210222312212012132301 |
5 | 10114004040140234301 |
6 | 110435212113025041 |
7 | 4144023411024520 |
oct | 444526646063661 |
9 | 78180754885057 |
10 | 20112100321201 |
11 | 6454548345599 |
12 | 2309a39855181 |
13 | b2b741981a45 |
14 | 4d76063724b7 |
15 | 24d26655ada1 |
hex | 124ab69867b1 |
20112100321201 has 8 divisors (see below), whose sum is σ = 22985308609920. Its totient is φ = 17238904807488.
The previous prime is 20112100321193. The next prime is 20112100321231. The reversal of 20112100321201 is 10212300121102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20112100321201 - 23 = 20112100321193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20112100321231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458220 + ... + 6358786.
It is an arithmetic number, because the mean of its divisors is an integer number (2873163576240).
Almost surely, 220112100321201 is an apocalyptic number.
It is an amenable number.
20112100321201 is a deficient number, since it is larger than the sum of its proper divisors (2873208288719).
20112100321201 is an equidigital number, since it uses as much as digits as its factorization.
20112100321201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6387503.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 20112100321201 its reverse (10212300121102), we get a palindrome (30324400442303).
The spelling of 20112100321201 in words is "twenty trillion, one hundred twelve billion, one hundred million, three hundred twenty-one thousand, two hundred one".
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