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203110221031010 = 2520311022103101
BaseRepresentation
bin101110001011101001001000…
…100100110010011001100010
3222122011010222112012211221022
4232023221020210302121202
5203110224213040443020
61555551314124125442
760532141423011416
oct5613511044623142
9878133875184838
10203110221031010
1159798619776a97
121a944156096882
13894429a027757
1438228311d8d46
151873569edb625
hexb8ba48932662

203110221031010 has 8 divisors (see below), whose sum is σ = 365598397855836. Its totient is φ = 81244088412400.

The previous prime is 203110221031001. The next prime is 203110221031043. The reversal of 203110221031010 is 10130122011302.

It can be written as a sum of positive squares in 2 ways, for example, as 203055346563001 + 54874468009 = 14249749^2 + 234253^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 203110221031010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10155511051541 + ... + 10155511051560.

Almost surely, 2203110221031010 is an apocalyptic number.

203110221031010 is a deficient number, since it is larger than the sum of its proper divisors (162488176824826).

203110221031010 is a wasteful number, since it uses less digits than its factorization.

203110221031010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20311022103108.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 203110221031010 its reverse (10130122011302), we get a palindrome (213240343042312).

The spelling of 203110221031010 in words is "two hundred three trillion, one hundred ten billion, two hundred twenty-one million, thirty-one thousand, ten".

Divisors: 1 2 5 10 20311022103101 40622044206202 101555110515505 203110221031010