Base | Representation |
---|---|
bin | 10010111010000110… |
… | …100001011110001101 |
3 | 1221101220001122020012 |
4 | 102322012201132031 |
5 | 313034322010300 |
6 | 13154321203005 |
7 | 1316051232254 |
oct | 227206413615 |
9 | 57356048205 |
10 | 20302141325 |
11 | 86790362a4 |
12 | 3b27190465 |
13 | 1bb717529b |
14 | da849579b |
15 | 7dc54e435 |
hex | 4ba1a178d |
20302141325 has 12 divisors (see below), whose sum is σ = 25519515828. Its totient is φ = 16019222400.
The previous prime is 20302141309. The next prime is 20302141361. The reversal of 20302141325 is 52314120302.
It can be written as a sum of positive squares in 6 ways, for example, as 1089132004 + 19213009321 = 33002^2 + 138611^2 .
It is not a de Polignac number, because 20302141325 - 24 = 20302141309 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 20302141325.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5560406 + ... + 5564055.
It is an arithmetic number, because the mean of its divisors is an integer number (2126626319).
Almost surely, 220302141325 is an apocalyptic number.
20302141325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20302141325 is a deficient number, since it is larger than the sum of its proper divisors (5217374503).
20302141325 is a wasteful number, since it uses less digits than its factorization.
20302141325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11124544 (or 11124539 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
Adding to 20302141325 its reverse (52314120302), we get a palindrome (72616261627).
The spelling of 20302141325 in words is "twenty billion, three hundred two million, one hundred forty-one thousand, three hundred twenty-five".
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