Base | Representation |
---|---|
bin | 1001010000010010111000… |
… | …10010111101000111010000 |
3 | 2200001112202101200101120110 |
4 | 10220021130102331013100 |
5 | 10131413030000134412 |
6 | 111141100133041320 |
7 | 4200214213510131 |
oct | 450113422750720 |
9 | 80045671611513 |
10 | 20351103521232 |
11 | 6536944427200 |
12 | 234821b486240 |
13 | b481406969b3 |
14 | 504dda4a7c88 |
15 | 2545a3c18d3c |
hex | 12825c4bd1d0 |
20351103521232 has 240 divisors, whose sum is σ = 58324274118656. Its totient is φ = 6109864992000.
The previous prime is 20351103521227. The next prime is 20351103521237. The reversal of 20351103521232 is 23212530115302.
It is an interprime number because it is at equal distance from previous prime (20351103521227) and next prime (20351103521237).
It is a self number, because there is not a number n which added to its sum of digits gives 20351103521232.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20351103521237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 536227857 + ... + 536265807.
Almost surely, 220351103521232 is an apocalyptic number.
20351103521232 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 20351103521232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29162137059328).
20351103521232 is an abundant number, since it is smaller than the sum of its proper divisors (37973170597424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20351103521232 is a wasteful number, since it uses less digits than its factorization.
20351103521232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38838 (or 38821 counting only the distinct ones).
The product of its (nonzero) digits is 10800, while the sum is 30.
Adding to 20351103521232 its reverse (23212530115302), we get a palindrome (43563633636534).
The spelling of 20351103521232 in words is "twenty trillion, three hundred fifty-one billion, one hundred three million, five hundred twenty-one thousand, two hundred thirty-two".
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