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203110223103013 = 1971783757802117
BaseRepresentation
bin101110001011101001001000…
…101100101100010000100101
3222122011010222200010010012011
4232023221020230230100211
5203110224214103244023
61555551314240354221
760532141446431302
oct5613511054542045
9878133880103164
10203110223103013
115979861a961796
121a944156915971
13894429a5a18a5
1438228315b80a9
15187356a29a50d
hexb8ba48b2c425

203110223103013 has 8 divisors (see below), whose sum is σ = 204152687815032. Its totient is φ = 202067874031296.

The previous prime is 203110223102999. The next prime is 203110223103019. The reversal of 203110223103013 is 310301322011302.

It can be written as a sum of positive squares in 4 ways, for example, as 148491723175524 + 54618499927489 = 12185718^2 + 7390433^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-203110223103013 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 (203110223103019) 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, 25387170 + ... + 32414947.

It is an arithmetic number, because the mean of its divisors is an integer number (25519085976879).

Almost surely, 2203110223103013 is an apocalyptic number.

It is an amenable number.

203110223103013 is a deficient number, since it is larger than the sum of its proper divisors (1042464712019).

203110223103013 is a wasteful number, since it uses less digits than its factorization.

203110223103013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57820151.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 203110223103013 its reverse (310301322011302), we get a palindrome (513411545114315).

The spelling of 203110223103013 in words is "two hundred three trillion, one hundred ten billion, two hundred twenty-three million, one hundred three thousand, thirteen".

Divisors: 1 197 17837 3513889 57802117 11387017049 1031016360929 203110223103013