Base | Representation |
---|---|
bin | 10001011110101101000… |
… | …111001010010100001011 |
3 | 11020211111201010011020112 |
4 | 101132231013022110023 |
5 | 124140024223224321 |
6 | 2315453533144535 |
7 | 152532601221050 |
oct | 21365507122413 |
9 | 4224451104215 |
10 | 1201200211211 |
11 | 423476227590 |
12 | 17497362b14b |
13 | 89371154360 |
14 | 421d1ab1027 |
15 | 213a5268a5b |
hex | 117ad1ca50b |
1201200211211 has 32 divisors (see below), whose sum is σ = 1613013523968. Its totient is φ = 863885917440.
The previous prime is 1201200211199. The next prime is 1201200211217. The reversal of 1201200211211 is 1121120021021.
It is not a de Polignac number, because 1201200211211 - 226 = 1201133102347 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1201200211217) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7895615 + ... + 8046311.
It is an arithmetic number, because the mean of its divisors is an integer number (50406672624).
Almost surely, 21201200211211 is an apocalyptic number.
1201200211211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1201200211211 is a deficient number, since it is larger than the sum of its proper divisors (411813312757).
1201200211211 is a wasteful number, since it uses less digits than its factorization.
1201200211211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158691.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 1201200211211 its reverse (1121120021021), we get a palindrome (2322320232232).
The spelling of 1201200211211 in words is "one trillion, two hundred one billion, two hundred million, two hundred eleven thousand, two hundred eleven".
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