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212013130313 = 2916359817499
BaseRepresentation
bin1100010101110011110…
…1111010001001001001
3202021020120002221020202
43011130331322021021
511433200330132223
6241221505101545
721213611605355
oct3053475721111
9667216087222
10212013130313
1181a06980876
123510a9278b5
1316cba1002ca
14a39375a465
1557ace3a428
hex315cf7a249

212013130313 has 16 divisors (see below), whose sum is σ = 220735800000. Its totient is φ = 203385349440.

The previous prime is 212013130291. The next prime is 212013130327. The reversal of 212013130313 is 313031310212.

It is not a de Polignac number, because 212013130313 - 28 = 212013130057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212013130363) 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, 28268438 + ... + 28275936.

It is an arithmetic number, because the mean of its divisors is an integer number (13795987500).

Almost surely, 2212013130313 is an apocalyptic number.

It is an amenable number.

212013130313 is a deficient number, since it is larger than the sum of its proper divisors (8722669687).

212013130313 is a wasteful number, since it uses less digits than its factorization.

212013130313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13672.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 212013130313 its reverse (313031310212), we get a palindrome (525044440525).

The spelling of 212013130313 in words is "two hundred twelve billion, thirteen million, one hundred thirty thousand, three hundred thirteen".

Divisors: 1 29 163 4727 5981 7499 173449 217471 974903 1222337 28272187 35447773 44851519 1300694051 7310797597 212013130313