Base | Representation |
---|---|
bin | 10011011001011101… |
… | …101010111100110001 |
3 | 1222202120010102120022 |
4 | 103121131222330301 |
5 | 320124021200103 |
6 | 13322434453225 |
7 | 1335100440620 |
oct | 233135527461 |
9 | 58676112508 |
10 | 20828303153 |
11 | 8919041489 |
12 | 4053434215 |
13 | 1c6c18a348 |
14 | 10182db6b7 |
15 | 81d834138 |
hex | 4d976af31 |
20828303153 has 8 divisors (see below), whose sum is σ = 24105089280. Its totient is φ = 17626845600.
The previous prime is 20828303143. The next prime is 20828303159. The reversal of 20828303153 is 35130382802.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20828303153 - 228 = 20559867697 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20828303159) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18831548 + ... + 18832653.
It is an arithmetic number, because the mean of its divisors is an integer number (3013136160).
Almost surely, 220828303153 is an apocalyptic number.
It is an amenable number.
20828303153 is a deficient number, since it is larger than the sum of its proper divisors (3276786127).
20828303153 is an equidigital number, since it uses as much as digits as its factorization.
20828303153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37664287.
The product of its (nonzero) digits is 34560, while the sum is 35.
Adding to 20828303153 its reverse (35130382802), we get a palindrome (55958685955).
The spelling of 20828303153 in words is "twenty billion, eight hundred twenty-eight million, three hundred three thousand, one hundred fifty-three".
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