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213130123030 = 25119461204793
BaseRepresentation
bin1100011001111110001…
…0111001011100010110
3202101010101221001012101
43012133202321130112
511442442302414110
6241524410112314
721253364104036
oct3063742713426
9671111831171
10213130123030
118242a441a50
1235380a1b69a
1317137650646
14a45bc3d8c6
15582602b13a
hex319f8b9716

213130123030 has 32 divisors (see below), whose sum is σ = 418556338848. Its totient is φ = 77493292800.

The previous prime is 213130122973. The next prime is 213130123039. The reversal of 213130123030 is 30321031312.

It is a junction number, because it is equal to n+sod(n) for n = 213130122989 and 213130123007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213130123039) 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, 938314 + ... + 1143106.

It is an arithmetic number, because the mean of its divisors is an integer number (13079885589).

Almost surely, 2213130123030 is an apocalyptic number.

213130123030 is a deficient number, since it is larger than the sum of its proper divisors (205426215818).

213130123030 is a wasteful number, since it uses less digits than its factorization.

213130123030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214272.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 213130123030 its reverse (30321031312), we get a palindrome (243451154342).

The spelling of 213130123030 in words is "two hundred thirteen billion, one hundred thirty million, one hundred twenty-three thousand, thirty".

Divisors: 1 2 5 10 11 22 55 110 9461 18922 47305 94610 104071 204793 208142 409586 520355 1023965 1040710 2047930 2252723 4505446 11263615 22527230 1937546573 3875093146 9687732865 19375465730 21313012303 42626024606 106565061515 213130123030