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213133031130 = 23579383234803
BaseRepresentation
bin1100011001111110110…
…1111111011011011010
3202101010121101210100210
43012133231333123122
511442444023444010
6241524552311550
721253430605335
oct3063755773332
9671117353323
10213133031130
1182431048938
12353819a25b6
131713812b206
14a45c39961c
155826402b20
hex319fb7f6da

213133031130 has 64 divisors (see below), whose sum is σ = 519348879360. Its totient is φ = 55969283136.

The previous prime is 213133031129. The next prime is 213133031207. The reversal of 213133031130 is 31130331312.

It is a junction number, because it is equal to n+sod(n) for n = 213133031097 and 213133031106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 790309 + ... + 1025111.

It is an arithmetic number, because the mean of its divisors is an integer number (8114826240).

Almost surely, 2213133031130 is an apocalyptic number.

213133031130 is an abundant number, since it is smaller than the sum of its proper divisors (306215848230).

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

213133031130 is a wasteful number, since it uses less digits than its factorization.

213133031130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235275.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 213133031130 its reverse (31130331312), we get a palindrome (244263362442).

The spelling of 213133031130 in words is "two hundred thirteen billion, one hundred thirty-three million, thirty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 79 158 237 383 395 474 766 790 1149 1185 1915 2298 2370 3830 5745 11490 30257 60514 90771 151285 181542 234803 302570 453855 469606 704409 907710 1174015 1408818 2348030 3522045 7044090 18549437 37098874 55648311 89929549 92747185 111296622 179859098 185494370 269788647 278241555 449647745 539577294 556483110 899295490 1348943235 2697886470 7104434371 14208868742 21313303113 35522171855 42626606226 71044343710 106566515565 213133031130