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30211303210 = 251119109713177
BaseRepresentation
bin11100001000101110…
…111110011100101010
32212222110220012212221
4130020232332130222
5443333043200320
621513501024254
72116443561124
oct341056763452
985873805787
1030211303210
11118a3547290
125a3185508a
132b060a919a
141668530214
15bbc4673aa
hex708bbe72a

30211303210 has 64 divisors (see below), whose sum is σ = 62507998080. Its totient is φ = 10397445120.

The previous prime is 30211303207. The next prime is 30211303247. The reversal of 30211303210 is 1230311203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2286142 + ... + 2299318.

It is an arithmetic number, because the mean of its divisors is an integer number (976687470).

Almost surely, 230211303210 is an apocalyptic number.

30211303210 is an abundant number, since it is smaller than the sum of its proper divisors (32296694870).

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

30211303210 is a wasteful number, since it uses less digits than its factorization.

30211303210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14311.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30211303210 its reverse (1230311203), we get a palindrome (31441614413).

The spelling of 30211303210 in words is "thirty billion, two hundred eleven million, three hundred three thousand, two hundred ten".

Divisors: 1 2 5 10 11 19 22 38 55 95 110 190 209 418 1045 1097 2090 2194 5485 10970 12067 13177 20843 24134 26354 41686 60335 65885 104215 120670 131770 144947 208430 229273 250363 289894 458546 500726 724735 1146365 1251815 1449470 2292730 2503630 2753993 5507986 13769965 14455169 27539930 28910338 72275845 144551690 159006859 274648211 318013718 549296422 795034295 1373241055 1590068590 2746482110 3021130321 6042260642 15105651605 30211303210