Base | Representation |
---|---|
bin | 111000110100100001… |
… | …0000001001010010010 |
3 | 102122221212110021110212 |
4 | 1301221002001022102 |
5 | 3444344413033020 |
6 | 132020014124122 |
7 | 11546541160013 |
oct | 1615102011222 |
9 | 378855407425 |
10 | 122021221010 |
11 | 47826886407 |
12 | 1b7947b0642 |
13 | b677b81830 |
14 | 5c9796700a |
15 | 329265acc5 |
hex | 1c69081292 |
122021221010 has 32 divisors (see below), whose sum is σ = 236551214592. Its totient is φ = 45050604480.
The previous prime is 122021221009. The next prime is 122021221081. The reversal of 122021221010 is 10122120221.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2288555 + ... + 2341265.
It is an arithmetic number, because the mean of its divisors is an integer number (7392225456).
Almost surely, 2122021221010 is an apocalyptic number.
122021221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122021221010 is a deficient number, since it is larger than the sum of its proper divisors (114529993582).
122021221010 is a wasteful number, since it uses less digits than its factorization.
122021221010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70538.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 122021221010 its reverse (10122120221), we get a palindrome (132143341231).
The spelling of 122021221010 in words is "one hundred twenty-two billion, twenty-one million, two hundred twenty-one thousand, ten".
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