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201103013 = 1795312413
BaseRepresentation
bin10111111110010…
…01011010100101
3112000102002110202
423333021122211
5402440244023
631542200245
74661230106
oct1377113245
9460362422
10201103013
11a3576741
1257423085
1332882387
141c9cc3ad
15129c6128
hexbfc96a5

201103013 has 8 divisors (see below), whose sum is σ = 213173208. Its totient is φ = 189059584.

The previous prime is 201103009. The next prime is 201103033. The reversal of 201103013 is 310301102.

It can be written as a sum of positive squares in 4 ways, for example, as 29833444 + 171269569 = 5462^2 + 13087^2 .

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

It is not a de Polignac number, because 201103013 - 22 = 201103009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201102985 and 201103003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201103003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9995 + ... + 22407.

It is an arithmetic number, because the mean of its divisors is an integer number (26646651).

Almost surely, 2201103013 is an apocalyptic number.

It is an amenable number.

201103013 is a deficient number, since it is larger than the sum of its proper divisors (12070195).

201103013 is a wasteful number, since it uses less digits than its factorization.

201103013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13383.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 201103013 is about 14181.0794017945. The cubic root of 201103013 is about 585.8766538294.

Adding to 201103013 its reverse (310301102), we get a palindrome (511404115).

The spelling of 201103013 in words is "two hundred one million, one hundred three thousand, thirteen".

Divisors: 1 17 953 12413 16201 211021 11829589 201103013