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213105133203 = 3239339187649
BaseRepresentation
bin1100011001111000001…
…1100100011010010011
3202101001122220102121020
43012132003210122103
511442414403230303
6241522114330523
721252641513304
oct3063603443223
9671048812536
10213105133203
11824173237a6
1235374589a43
1317132410c71
14a4587b67ab
155823c41a53
hex319e0e4693

213105133203 has 16 divisors (see below), whose sum is σ = 285416448000. Its totient is φ = 141432318720.

The previous prime is 213105133193. The next prime is 213105133229. The reversal of 213105133203 is 302331501312.

It is not a de Polignac number, because 213105133203 - 213 = 213105125011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213105133243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2387523 + ... + 2475171.

It is an arithmetic number, because the mean of its divisors is an integer number (17838528000).

Almost surely, 2213105133203 is an apocalyptic number.

213105133203 is a deficient number, since it is larger than the sum of its proper divisors (72311314797).

213105133203 is a wasteful number, since it uses less digits than its factorization.

213105133203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91282.

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 213105133203 its reverse (302331501312), we get a palindrome (515436634515).

The spelling of 213105133203 in words is "two hundred thirteen billion, one hundred five million, one hundred thirty-three thousand, two hundred three".

Divisors: 1 3 239 717 3391 10173 87649 262947 810449 2431347 20948111 62844333 297217759 891653277 71035044401 213105133203