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212130013203 = 321943239120709
BaseRepresentation
bin1100010110001111101…
…1110010000000010011
3202021112201001012102200
43011203323302000103
511433420240410303
6241241242214243
721216531234663
oct3054373620023
9667481035380
10212130013203
1181a669536a9
1235141ab4383
13170083a5494
14a3a50a41a3
1557b83273a3
hex3163ef2013

212130013203 has 48 divisors (see below), whose sum is σ = 331421376000. Its totient is φ = 130312494144.

The previous prime is 212130013171. The next prime is 212130013223. The reversal of 212130013203 is 302310031212.

212130013203 is a `hidden beast` number, since 21 + 21 + 300 + 1 + 320 + 3 = 666.

It is not a de Polignac number, because 212130013203 - 25 = 212130013171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212130013223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1697013 + ... + 1817721.

It is an arithmetic number, because the mean of its divisors is an integer number (6904612000).

Almost surely, 2212130013203 is an apocalyptic number.

212130013203 is a deficient number, since it is larger than the sum of its proper divisors (119291362797).

212130013203 is a wasteful number, since it uses less digits than its factorization.

212130013203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121016 (or 121013 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 212130013203 its reverse (302310031212), we get a palindrome (514440044415).

The spelling of 212130013203 in words is "two hundred twelve billion, one hundred thirty million, thirteen thousand, two hundred three".

Divisors: 1 3 9 19 43 57 129 171 239 387 717 817 2151 2451 4541 7353 10277 13623 30831 40869 92493 120709 195263 362127 585789 1086381 1757367 2293471 5190487 6880413 15571461 20641239 28849451 46714383 86548353 98619253 259645059 295857759 548139569 887573277 1240526393 1644418707 3721579179 4933256121 11164737537 23570001467 70710004401 212130013203