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20110203301 = 73275482237
BaseRepresentation
bin10010101110101010…
…010101100110100101
31220220111220011202111
4102232222111212211
5312141203001201
613123303241021
71311230623216
oct225652254645
956814804674
1020110203301
11858a75a431
123a92a49171
131b864816a6
14d8abb140d
157ca788b51
hex4aea959a5

20110203301 has 4 divisors (see below), whose sum is σ = 20385685612. Its totient is φ = 19834720992.

The previous prime is 20110203233. The next prime is 20110203353. The reversal of 20110203301 is 10330201102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11865744900 + 8244458401 = 108930^2 + 90799^2 .

It is a cyclic number.

It is not a de Polignac number, because 20110203301 - 211 = 20110201253 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 (20110203361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137741046 + ... + 137741191.

It is an arithmetic number, because the mean of its divisors is an integer number (5096421403).

Almost surely, 220110203301 is an apocalyptic number.

It is an amenable number.

20110203301 is a deficient number, since it is larger than the sum of its proper divisors (275482311).

20110203301 is an equidigital number, since it uses as much as digits as its factorization.

20110203301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275482310.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20110203301 its reverse (10330201102), we get a palindrome (30440404403).

The spelling of 20110203301 in words is "twenty billion, one hundred ten million, two hundred three thousand, three hundred one".

Divisors: 1 73 275482237 20110203301