Base | Representation |
---|---|
bin | 10011001100011110… |
… | …111011001001100101 |
3 | 1222012101100022000011 |
4 | 103030132323021211 |
5 | 314202243342340 |
6 | 13245055050221 |
7 | 1326514411315 |
oct | 231436731145 |
9 | 58171308004 |
10 | 20610527845 |
11 | 8817118696 |
12 | 3bb2510971 |
13 | 1c3601b40b |
14 | dd740d445 |
15 | 8096680ea |
hex | 4cc7bb265 |
20610527845 has 16 divisors (see below), whose sum is σ = 24855765120. Its totient is φ = 16406424000.
The previous prime is 20610527831. The next prime is 20610527963. The reversal of 20610527845 is 54872501602.
It is a de Polignac number, because none of the positive numbers 2k-20610527845 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20610527798 and 20610527807.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 2298120 + ... + 2307070.
It is an arithmetic number, because the mean of its divisors is an integer number (1553485320).
Almost surely, 220610527845 is an apocalyptic number.
It is an amenable number.
20610527845 is a deficient number, since it is larger than the sum of its proper divisors (4245237275).
20610527845 is a wasteful number, since it uses less digits than its factorization.
20610527845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11196.
The product of its (nonzero) digits is 134400, while the sum is 40.
The spelling of 20610527845 in words is "twenty billion, six hundred ten million, five hundred twenty-seven thousand, eight hundred forty-five".
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