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13203032201 = 177681101113
BaseRepresentation
bin11000100101111011…
…00100100010001001
31021002010211112021122
430102331210202021
5204014434012301
610022042445025
7645116631152
oct142275444211
937063745248
1013203032201
115665849567
122685803775
13132547b1b8
148d36da929
155241a981b
hex312f64889

13203032201 has 8 divisors (see below), whose sum is σ = 13981639464. Its totient is φ = 12424642560.

The previous prime is 13203032179. The next prime is 13203032207. The reversal of 13203032201 is 10223030231.

It can be written as a sum of positive squares in 4 ways, for example, as 1204020601 + 11999011600 = 34699^2 + 109540^2 .

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 13203032201 - 230 = 12129290377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13203032201.

It is not an unprimeable number, because it can be changed into a prime (13203032207) 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, 80021 + ... + 181133.

It is an arithmetic number, because the mean of its divisors is an integer number (1747704933).

Almost surely, 213203032201 is an apocalyptic number.

It is an amenable number.

13203032201 is a deficient number, since it is larger than the sum of its proper divisors (778607263).

13203032201 is a wasteful number, since it uses less digits than its factorization.

13203032201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108811.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13203032201 its reverse (10223030231), we get a palindrome (23426062432).

The spelling of 13203032201 in words is "thirteen billion, two hundred three million, thirty-two thousand, two hundred one".

Divisors: 1 17 7681 101113 130577 1718921 776648953 13203032201