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30231230222220 = 2235598539895543
BaseRepresentation
bin1101101111110110000011…
…01111010000111110001100
310222001002002102011002222120
412313323001233100332030
512430302024414102340
6144144011353212540
76240064032012606
oct667730157207614
9128032072132876
1030231230222220
1196a5aa1374465
123483021a01150
1313b3a3c969b51
147672b1032176
153765b4d824d0
hex1b7ec1bd0f8c

30231230222220 has 48 divisors (see below), whose sum is σ = 86082147083520. Its totient is φ = 7925023062976.

The previous prime is 30231230222213. The next prime is 30231230222267. The reversal of 30231230222220 is 2222203213203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4269944232 + ... + 4269951311.

It is an arithmetic number, because the mean of its divisors is an integer number (1793378064240).

Almost surely, 230231230222220 is an apocalyptic number.

30231230222220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30231230222220 is an abundant number, since it is smaller than the sum of its proper divisors (55850916861300).

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

30231230222220 is a wasteful number, since it uses less digits than its factorization.

30231230222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8539895614 (or 8539895612 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30231230222220 its reverse (2222203213203), we get a palindrome (32453433435423).

The spelling of 30231230222220 in words is "thirty trillion, two hundred thirty-one billion, two hundred thirty million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 59 60 118 177 236 295 354 590 708 885 1180 1770 3540 8539895543 17079791086 25619686629 34159582172 42699477715 51239373258 85398955430 102478746516 128098433145 170797910860 256196866290 503853837037 512393732580 1007707674074 1511561511111 2015415348148 2519269185185 3023123022222 5038538370370 6046246044444 7557807555555 10077076740740 15115615111110 30231230222220