Base | Representation |
---|---|
bin | 1001001001111011100100… |
… | …11001011111101000000000 |
3 | 2122021122022201202110020211 |
4 | 10210331302121133220000 |
5 | 10114322204314031422 |
6 | 110452413334043504 |
7 | 4145343256663642 |
oct | 444756231375000 |
9 | 78248281673224 |
10 | 20132431002112 |
11 | 64621304a4020 |
12 | 23119724a9594 |
13 | b30631a0a350 |
14 | 4d85b4536892 |
15 | 24da56346577 |
hex | 124f7265fa00 |
20132431002112 has 160 divisors (see below), whose sum is σ = 47827365727680. Its totient is φ = 8345398149120.
The previous prime is 20132431002109. The next prime is 20132431002181. The reversal of 20132431002112 is 21120013423102.
It is a Harshad number since it is a multiple of its sum of digits (22).
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, 4420464 + ... + 7733392.
It is an arithmetic number, because the mean of its divisors is an integer number (298921035798).
Almost surely, 220132431002112 is an apocalyptic number.
20132431002112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20132431002112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23913682863840).
20132431002112 is an abundant number, since it is smaller than the sum of its proper divisors (27694934725568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20132431002112 is a wasteful number, since it uses less digits than its factorization.
20132431002112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3313054 (or 3313038 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 20132431002112 its reverse (21120013423102), we get a palindrome (41252444425214).
The spelling of 20132431002112 in words is "twenty trillion, one hundred thirty-two billion, four hundred thirty-one million, two thousand, one hundred twelve".
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