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13202003213 = 721867144311
BaseRepresentation
bin11000100101110011…
…01001010100001101
31021002001220020202222
430102321221110031
5204014203100323
610022004425125
7645105114200
oct142271512415
937061806688
1013202003213
115665206463
1226853a81a5
1313251aaa29
148d350d937
155240549c8
hex312e6950d

13202003213 has 12 divisors (see below), whose sum is σ = 15365764512. Its totient is φ = 11309863320.

The previous prime is 13202003183. The next prime is 13202003237. The reversal of 13202003213 is 31230020231.

It is not a de Polignac number, because 13202003213 - 210 = 13202002189 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13202003191 and 13202003200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13202003713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19328 + ... + 163638.

It is an arithmetic number, because the mean of its divisors is an integer number (1280480376).

Almost surely, 213202003213 is an apocalyptic number.

It is an amenable number.

13202003213 is a deficient number, since it is larger than the sum of its proper divisors (2163761299).

13202003213 is a wasteful number, since it uses less digits than its factorization.

13202003213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146192 (or 146185 counting only the distinct ones).

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

Adding to 13202003213 its reverse (31230020231), we get a palindrome (44432023444).

The spelling of 13202003213 in words is "thirteen billion, two hundred two million, three thousand, two hundred thirteen".

Divisors: 1 7 49 1867 13069 91483 144311 1010177 7071239 269428637 1886000459 13202003213