Base | Representation |
---|---|
bin | 10010101010000000… |
… | …011110110010011100 |
3 | 1220201001222020100220 |
4 | 102222000132302130 |
5 | 312011210401022 |
6 | 13111433521340 |
7 | 1306262141040 |
oct | 225200366234 |
9 | 56631866326 |
10 | 20032122012 |
11 | 854a679841 |
12 | 3a70873250 |
13 | 1b73243746 |
14 | d80688020 |
15 | 7c39b385c |
hex | 4aa01ec9c |
20032122012 has 48 divisors (see below), whose sum is σ = 55261032960. Its totient is φ = 5526101952.
The previous prime is 20032122007. The next prime is 20032122017. The reversal of 20032122012 is 21022123002.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (20032122007) and next prime (20032122017).
It is a junction number, because it is equal to n+sod(n) for n = 20032121982 and 20032122000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20032122017) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4109248 + ... + 4114119.
It is an arithmetic number, because the mean of its divisors is an integer number (1151271520).
Almost surely, 220032122012 is an apocalyptic number.
It is an amenable number.
20032122012 is an abundant number, since it is smaller than the sum of its proper divisors (35228910948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20032122012 is a wasteful number, since it uses less digits than its factorization.
20032122012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8223410 (or 8223408 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 20032122012 its reverse (21022123002), we get a palindrome (41054245014).
The spelling of 20032122012 in words is "twenty billion, thirty-two million, one hundred twenty-two thousand, twelve".
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