Base | Representation |
---|---|
bin | 10010101111111101… |
… | …100000001011000001 |
3 | 1220222000220210102222 |
4 | 102233331200023001 |
5 | 312212243121140 |
6 | 13125402420425 |
7 | 1311614133542 |
oct | 225775401301 |
9 | 56860823388 |
10 | 20132004545 |
11 | 85a0a9aa94 |
12 | 3a9a201715 |
13 | 1b8ab45933 |
14 | d8da484c9 |
15 | 7cc6435b5 |
hex | 4aff602c1 |
20132004545 has 8 divisors (see below), whose sum is σ = 24217474920. Its totient is φ = 16066224000.
The previous prime is 20132004539. The next prime is 20132004577. The reversal of 20132004545 is 54540023102.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 7379497216 + 12752507329 = 85904^2 + 112927^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20132004545 - 214 = 20131988161 is a prime.
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 7 ways as a sum of consecutive naturals, for example, 4920206 + ... + 4924295.
It is an arithmetic number, because the mean of its divisors is an integer number (3027184365).
Almost surely, 220132004545 is an apocalyptic number.
It is an amenable number.
20132004545 is a deficient number, since it is larger than the sum of its proper divisors (4085470375).
20132004545 is an equidigital number, since it uses as much as digits as its factorization.
20132004545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9844915.
The product of its (nonzero) digits is 4800, while the sum is 26.
Adding to 20132004545 its reverse (54540023102), we get a palindrome (74672027647).
The spelling of 20132004545 in words is "twenty billion, one hundred thirty-two million, four thousand, five hundred forty-five".
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