Base | Representation |
---|---|
bin | 111000110100001101… |
… | …1110111111111110001 |
3 | 102122221011122021102012 |
4 | 1301220123313333301 |
5 | 3444334333101001 |
6 | 132015015532305 |
7 | 11546360163254 |
oct | 1615033677761 |
9 | 378834567365 |
10 | 122011222001 |
11 | 47821176a69 |
12 | 1b79138a095 |
13 | b675a90566 |
14 | 5c964c309b |
15 | 32918332bb |
hex | 1c686f7ff1 |
122011222001 has 16 divisors (see below), whose sum is σ = 127430946816. Its totient is φ = 116688600000.
The previous prime is 122011221977. The next prime is 122011222027. The reversal of 122011222001 is 100222110221.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122011222001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122016222001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1657856 + ... + 1729886.
It is an arithmetic number, because the mean of its divisors is an integer number (7964434176).
Almost surely, 2122011222001 is an apocalyptic number.
It is an amenable number.
122011222001 is a deficient number, since it is larger than the sum of its proper divisors (5419724815).
122011222001 is a wasteful number, since it uses less digits than its factorization.
122011222001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72704.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 122011222001 its reverse (100222110221), we get a palindrome (222233332222).
The spelling of 122011222001 in words is "one hundred twenty-two billion, eleven million, two hundred twenty-two thousand, one".
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