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213130323132 = 223198111152629
BaseRepresentation
bin1100011001111110001…
…1101010010010111100
3202101010102022012200120
43012133203222102330
511442442330320012
6241524414254540
721253365566316
oct3063743522274
9671112265616
10213130323132
118242a569321
1235380ab7450
13171376c074c
14a45bc927b6
15582606a58c
hex319f8ea4bc

213130323132 has 48 divisors (see below), whose sum is σ = 524123913600. Its totient is φ = 67221264960.

The previous prime is 213130323079. The next prime is 213130323143. The reversal of 213130323132 is 231323031312.

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, 391407 + ... + 761222.

It is an arithmetic number, because the mean of its divisors is an integer number (10919248200).

Almost surely, 2213130323132 is an apocalyptic number.

It is an amenable number.

213130323132 is an abundant number, since it is smaller than the sum of its proper divisors (310993590468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213130323132 is a wasteful number, since it uses less digits than its factorization.

213130323132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153466 (or 1153464 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 213130323132 its reverse (231323031312), we get a palindrome (444453354444).

The spelling of 213130323132 in words is "two hundred thirteen billion, one hundred thirty million, three hundred twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 811 1622 2433 3244 4866 9732 15409 30818 46227 61636 92454 184908 1152629 2305258 3457887 4610516 6915774 13831548 21899951 43799902 65699853 87599804 131399706 262799412 934782119 1869564238 2804346357 3739128476 5608692714 11217385428 17760860261 35521720522 53282580783 71043441044 106565161566 213130323132