Base | Representation |
---|---|
bin | 111000111010001001… |
… | …0100111000110100101 |
3 | 102200110000220100022111 |
4 | 1301310102213012211 |
5 | 4000241242320401 |
6 | 132050443001021 |
7 | 11554323611146 |
oct | 1616422470645 |
9 | 380400810274 |
10 | 122210120101 |
11 | 47913477063 |
12 | 1b827b09171 |
13 | b6a8050144 |
14 | 5cb4a99acd |
15 | 32a4020e51 |
hex | 1c744a71a5 |
122210120101 has 4 divisors (see below), whose sum is σ = 122330762892. Its totient is φ = 122089477312.
The previous prime is 122210120027. The next prime is 122210120107. The reversal of 122210120101 is 101021012221.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 27206853025 + 95003267076 = 164945^2 + 308226^2 .
It is a cyclic number.
It is not a de Polignac number, because 122210120101 - 221 = 122208022949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122210120107) 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, 60319876 + ... + 60321901.
It is an arithmetic number, because the mean of its divisors is an integer number (30582690723).
Almost surely, 2122210120101 is an apocalyptic number.
It is an amenable number.
122210120101 is a deficient number, since it is larger than the sum of its proper divisors (120642791).
122210120101 is a wasteful number, since it uses less digits than its factorization.
122210120101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120642790.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 122210120101 its reverse (101021012221), we get a palindrome (223231132322).
The spelling of 122210120101 in words is "one hundred twenty-two billion, two hundred ten million, one hundred twenty thousand, one hundred one".
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