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213310313212 = 22236618574093
BaseRepresentation
bin1100011010101001001…
…0010001001011111100
3202101120221222122122211
43012222102101023330
511443324420010322
6241554324150204
721261012513613
oct3065222211374
9671527878584
10213310313212
1182512124557
1235411238364
1317165a8cc59
14a477b4687a
155836c70b77
hex31aa4912fc

213310313212 has 48 divisors (see below), whose sum is σ = 390663104832. Its totient is φ = 101719918080.

The previous prime is 213310313207. The next prime is 213310313221. The reversal of 213310313212 is 212313013312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52113838 + ... + 52117930.

It is an arithmetic number, because the mean of its divisors is an integer number (8138814684).

Almost surely, 2213310313212 is an apocalyptic number.

It is an amenable number.

213310313212 is a deficient number, since it is larger than the sum of its proper divisors (177352791620).

213310313212 is a wasteful number, since it uses less digits than its factorization.

213310313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5638 (or 5636 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 213310313212 its reverse (212313013312), we get a palindrome (425623326524).

The spelling of 213310313212 in words is "two hundred thirteen billion, three hundred ten million, three hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 4 23 46 92 661 857 1322 1714 2644 3428 4093 8186 15203 16372 19711 30406 39422 60812 78844 94139 188278 376556 566477 1132954 2265908 2705473 3507701 5410946 7015402 10821892 13028971 14030804 26057942 52115884 62225879 80677123 124451758 161354246 248903516 322708492 2318590361 4637180722 9274361444 53327578303 106655156606 213310313212