Base | Representation |
---|---|
bin | 10001011110101000010… |
… | …101100110111001001001 |
3 | 11020211022010101201001112 |
4 | 101132220111212321021 |
5 | 124134343222042301 |
6 | 2315441552300105 |
7 | 152530606333202 |
oct | 21365025467111 |
9 | 4224263351045 |
10 | 1201120112201 |
11 | 423434a98a59 |
12 | 174950841635 |
13 | 8935a68aba9 |
14 | 421c51c05a9 |
15 | 2139d1e59bb |
hex | 117a8566e49 |
1201120112201 has 6 divisors (see below), whose sum is σ = 1241115788106. Its totient is φ = 1162374301200.
The previous prime is 1201120112189. The next prime is 1201120112219. The reversal of 1201120112201 is 1022110211021.
It can be written as a sum of positive squares in only one way, i.e., 1008570284176 + 192549828025 = 1004276^2 + 438805^2 .
It is not a de Polignac number, because 1201120112201 - 214 = 1201120095817 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1201120112261) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 624931460 + ... + 624933381.
It is an arithmetic number, because the mean of its divisors is an integer number (206852631351).
Almost surely, 21201120112201 is an apocalyptic number.
It is an amenable number.
1201120112201 is a deficient number, since it is larger than the sum of its proper divisors (39995675905).
1201120112201 is an equidigital number, since it uses as much as digits as its factorization.
1201120112201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1249864903 (or 1249864872 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 1201120112201 its reverse (1022110211021), we get a palindrome (2223230323222).
The spelling of 1201120112201 in words is "one trillion, two hundred one billion, one hundred twenty million, one hundred twelve thousand, two hundred one".
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