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212330303020 = 225113571270271
BaseRepresentation
bin1100010110111111011…
…1110100111000101100
3202022001122220222102001
43011233313310320230
511434323024144040
6241313155142044
721224512540213
oct3055767647054
9668048828361
10212330303020
1182059a14380
1235198ba4924
131703aa31674
14a3c392007a
1557cabdc59a
hex316fdf4e2c

212330303020 has 48 divisors (see below), whose sum is σ = 486567438336. Its totient is φ = 77189112000.

The previous prime is 212330302999. The next prime is 212330303021. The reversal of 212330303020 is 20303033212.

It is a happy number.

It is a super-2 number, since 2×2123303030202 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212330303021) by changing a digit.

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, 650485 + ... + 920755.

It is an arithmetic number, because the mean of its divisors is an integer number (10136821632).

Almost surely, 2212330303020 is an apocalyptic number.

212330303020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212330303020 is an abundant number, since it is smaller than the sum of its proper divisors (274237135316).

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

212330303020 is a wasteful number, since it uses less digits than its factorization.

212330303020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273862 (or 273860 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 212330303020 its reverse (20303033212), we get a palindrome (232633336232).

The spelling of 212330303020 in words is "two hundred twelve billion, three hundred thirty million, three hundred three thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 3571 7142 14284 17855 35710 39281 71420 78562 157124 196405 270271 392810 540542 785620 1081084 1351355 2702710 2972981 5405420 5945962 11891924 14864905 29729810 59459620 965137741 1930275482 3860550964 4825688705 9651377410 10616515151 19302754820 21233030302 42466060604 53082575755 106165151510 212330303020