Base | Representation |
---|---|
bin | 111000110100100101… |
… | …0000001101010011101 |
3 | 102122222000101221001102 |
4 | 1301221022001222131 |
5 | 3444400432221341 |
6 | 132020131122445 |
7 | 11546565052115 |
oct | 1615112015235 |
9 | 378860357042 |
10 | 122023320221 |
11 | 47827a8a5a0 |
12 | 1b795443425 |
13 | b67843817a |
14 | 5c97d52045 |
15 | 3292922c9b |
hex | 1c69281a9d |
122023320221 has 16 divisors (see below), whose sum is σ = 133727899968. Its totient is φ = 110420956800.
The previous prime is 122023320217. The next prime is 122023320233.
It is a happy number.
122023320221 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 122023320221 - 22 = 122023320217 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122023320193 and 122023320202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122023320121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13417886 + ... + 13426976.
It is an arithmetic number, because the mean of its divisors is an integer number (8357993748).
Almost surely, 2122023320221 is an apocalyptic number.
122023320221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
122023320221 is a deficient number, since it is larger than the sum of its proper divisors (11704579747).
122023320221 is a wasteful number, since it uses less digits than its factorization.
122023320221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14572.
The product of its (nonzero) digits is 576, while the sum is 20.
It can be divided in two parts, 122023 and 320221, that added together give a palindrome (442244).
The spelling of 122023320221 in words is "one hundred twenty-two billion, twenty-three million, three hundred twenty thousand, two hundred twenty-one".
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