Base | Representation |
---|---|
bin | 111000110101001000… |
… | …1101111100011101110 |
3 | 102200000022210002002110 |
4 | 1301222101233203232 |
5 | 3444420240323210 |
6 | 132022042104450 |
7 | 11550213623166 |
oct | 1615221574356 |
9 | 380008702073 |
10 | 122042120430 |
11 | 4783766045a |
12 | 1b79b7ab126 |
13 | b67c2bb459 |
14 | 5c9a6475a6 |
15 | 32943d8420 |
hex | 1c6a46f8ee |
122042120430 has 32 divisors (see below), whose sum is σ = 295920694944. Its totient is φ = 32209053696.
The previous prime is 122042120423. The next prime is 122042120489. The reversal of 122042120430 is 34021240221.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 122042120397 and 122042120406.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20966527 + ... + 20972346.
It is an arithmetic number, because the mean of its divisors is an integer number (9247521717).
Almost surely, 2122042120430 is an apocalyptic number.
122042120430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122042120430 is an abundant number, since it is smaller than the sum of its proper divisors (173878574514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122042120430 is a wasteful number, since it uses less digits than its factorization.
122042120430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41938980.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 122042120430 its reverse (34021240221), we get a palindrome (156063360651).
The spelling of 122042120430 in words is "one hundred twenty-two billion, forty-two million, one hundred twenty thousand, four hundred thirty".
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