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213320220302120 = 23543947513255679
BaseRepresentation
bin110000100000001101111011…
…111101000101101100101000
31000222022012202221010101112112
4300200031323331011230220
5210430014302344131440
62033405542322301452
762634606630620651
oct6040157375055450
91028265687111475
10213320220302120
1161a74663128628
121bb12a7a1b7888
139205019c958b9
143a96a7a41c528
15199de3616a965
hexc2037bf45b28

213320220302120 has 64 divisors (see below), whose sum is σ = 481075828992000. Its totient is φ = 85131594137088.

The previous prime is 213320220302093. The next prime is 213320220302143. The reversal of 213320220302120 is 21203022023312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834200441 + ... + 834456119.

It is an arithmetic number, because the mean of its divisors is an integer number (7516809828000).

Almost surely, 2213320220302120 is an apocalyptic number.

213320220302120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213320220302120 is an abundant number, since it is smaller than the sum of its proper divisors (267755608689880).

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

213320220302120 is a wasteful number, since it uses less digits than its factorization.

213320220302120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303642 (or 303638 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213320220302120 its reverse (21203022023312), we get a palindrome (234523242325432).

The spelling of 213320220302120 in words is "two hundred thirteen trillion, three hundred twenty billion, two hundred twenty million, three hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 439 878 1756 2195 3512 4390 8780 17560 47513 95026 190052 237565 255679 380104 475130 511358 950260 1022716 1278395 1900520 2045432 2556790 5113580 10227160 20858207 41716414 83432828 104291035 112243081 166865656 208582070 224486162 417164140 448972324 561215405 834328280 897944648 1122430810 2244861620 4489723240 12148076327 24296152654 48592305308 60740381635 97184610616 121480763270 242961526540 485923053080 5333005507553 10666011015106 21332022030212 26665027537765 42664044060424 53330055075530 106660110151060 213320220302120