Base | Representation |
---|---|
bin | 1001000111100010000100… |
… | …00011110011101010011001 |
3 | 2121222202121001200212101111 |
4 | 10203301002003303222121 |
5 | 10111444413000211100 |
6 | 110350503334420321 |
7 | 4136365035622021 |
oct | 443610203635231 |
9 | 77882531625344 |
10 | 20050015632025 |
11 | 6430189137715 |
12 | 22b99b18016a1 |
13 | b25929367982 |
14 | 4d45d6a9aa81 |
15 | 24b830cb76ba |
hex | 123c420f3a99 |
20050015632025 has 6 divisors (see below), whose sum is σ = 24862019383742. Its totient is φ = 16040012505600.
The previous prime is 20050015631999. The next prime is 20050015632041. The reversal of 20050015632025 is 52023651005002.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 863125641 + 20049152506384 = 29379^2 + 4477628^2 .
It is not a de Polignac number, because 20050015632025 - 25 = 20050015631993 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 401000312616 + ... + 401000312665.
Almost surely, 220050015632025 is an apocalyptic number.
20050015632025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20050015632025 is a deficient number, since it is larger than the sum of its proper divisors (4812003751717).
20050015632025 is an equidigital number, since it uses as much as digits as its factorization.
20050015632025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 802000625291 (or 802000625286 counting only the distinct ones).
The product of its (nonzero) digits is 18000, while the sum is 31.
Adding to 20050015632025 its reverse (52023651005002), we get a palindrome (72073666637027).
The spelling of 20050015632025 in words is "twenty trillion, fifty billion, fifteen million, six hundred thirty-two thousand, twenty-five".
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