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20110302133 = 171736837913
BaseRepresentation
bin10010101110101010…
…101101101110110101
31220220112002012022221
4102232222231232311
5312141214132013
613123305322341
71311231514315
oct225652555665
956815065287
1020110302133
11858a817709
123a92a963b1
131b864b767c
14d8abd9445
157ca7a808d
hex4aeaadbb5

20110302133 has 8 divisors (see below), whose sum is σ = 21416346648. Its totient is φ = 18817933824.

The previous prime is 20110302127. The next prime is 20110302137. The reversal of 20110302133 is 33120301102.

It can be written as a sum of positive squares in 4 ways, for example, as 3473687844 + 16636614289 = 58938^2 + 128983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20110302133 - 29 = 20110301621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110302137) 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, 3416016 + ... + 3421897.

It is an arithmetic number, because the mean of its divisors is an integer number (2677043331).

Almost surely, 220110302133 is an apocalyptic number.

It is an amenable number.

20110302133 is a deficient number, since it is larger than the sum of its proper divisors (1306044515).

20110302133 is a wasteful number, since it uses less digits than its factorization.

20110302133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6838103.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20110302133 its reverse (33120301102), we get a palindrome (53230603235).

The spelling of 20110302133 in words is "twenty billion, one hundred ten million, three hundred two thousand, one hundred thirty-three".

Divisors: 1 17 173 2941 6837913 116244521 1182958949 20110302133