Base | Representation |
---|---|
bin | 10001011110101101000… |
… | …111001100100000110011 |
3 | 11020211111201010121120212 |
4 | 101132231013030200303 |
5 | 124140024224021321 |
6 | 2315453533254335 |
7 | 152532601256225 |
oct | 21365507144063 |
9 | 4224451117525 |
10 | 1201200220211 |
11 | 423476233322 |
12 | 1749736343ab |
13 | 89371158494 |
14 | 421d1ab4415 |
15 | 213a526b55b |
hex | 117ad1cc833 |
1201200220211 has 4 divisors (see below), whose sum is σ = 1271859056712. Its totient is φ = 1130541383712.
The previous prime is 1201200220193. The next prime is 1201200220273. The reversal of 1201200220211 is 1120220021021.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 1201200220211 - 218 = 1201199958067 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1201200220291) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35329418225 + ... + 35329418258.
It is an arithmetic number, because the mean of its divisors is an integer number (317964764178).
Almost surely, 21201200220211 is an apocalyptic number.
1201200220211 is a deficient number, since it is larger than the sum of its proper divisors (70658836501).
1201200220211 is an equidigital number, since it uses as much as digits as its factorization.
1201200220211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70658836500.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 1201200220211 its reverse (1120220021021), we get a palindrome (2321420241232).
The spelling of 1201200220211 in words is "one trillion, two hundred one billion, two hundred million, two hundred twenty thousand, two hundred eleven".
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