Base | Representation |
---|---|
bin | 111000110111100011… |
… | …1000111010011101001 |
3 | 102200012222101101001200 |
4 | 1301233013013103221 |
5 | 4000102021021301 |
6 | 132034100234413 |
7 | 11552220146523 |
oct | 1615707072351 |
9 | 380188341050 |
10 | 122123220201 |
11 | 47879412964 |
12 | 1b80299ba09 |
13 | b693045298 |
14 | 5ca7318a13 |
15 | 329b5a7c86 |
hex | 1c6f1c74e9 |
122123220201 has 24 divisors (see below), whose sum is σ = 181351083264. Its totient is φ = 79134913440.
The previous prime is 122123220199. The next prime is 122123220203. The reversal of 122123220201 is 102022321221.
122123220201 is a `hidden beast` number, since 1 + 221 + 23 + 220 + 201 = 666.
It is an interprime number because it is at equal distance from previous prime (122123220199) and next prime (122123220203).
It is not a de Polignac number, because 122123220201 - 21 = 122123220199 is a prime.
It is not an unprimeable number, because it can be changed into a prime (122123220203) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144970 + ... + 515036.
It is an arithmetic number, because the mean of its divisors is an integer number (7556295136).
Almost surely, 2122123220201 is an apocalyptic number.
It is an amenable number.
122123220201 is a deficient number, since it is larger than the sum of its proper divisors (59227863063).
122123220201 is a wasteful number, since it uses less digits than its factorization.
122123220201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 371101 (or 371098 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 122123220201 its reverse (102022321221), we get a palindrome (224145541422).
The spelling of 122123220201 in words is "one hundred twenty-two billion, one hundred twenty-three million, two hundred twenty thousand, two hundred one".
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