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20828303153 = 77937664201
BaseRepresentation
bin10011011001011101…
…101010111100110001
31222202120010102120022
4103121131222330301
5320124021200103
613322434453225
71335100440620
oct233135527461
958676112508
1020828303153
118919041489
124053434215
131c6c18a348
1410182db6b7
1581d834138
hex4d976af31

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".

Divisors: 1 7 79 553 37664201 263649407 2975471879 20828303153