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30231223202212 = 22167379119409821
BaseRepresentation
bin1101101111110110000010…
…10100011111000110100100
310222001002001220221110100021
412313323001110133012210
512430302021114432322
6144144010542524524
76240063615234244
oct667730124370644
9128032056843307
1030231223202212
1196a5a9840a1aa
12348301b596744
1313b3a3b37c7b6
147672b0125b24
153765b44474c7
hex1b7ec151f1a4

30231223202212 has 24 divisors (see below), whose sum is σ = 53361861255360. Its totient is φ = 14985454770720.

The previous prime is 30231223202203. The next prime is 30231223202231. The reversal of 30231223202212 is 21220232213203.

It is a super-2 number, since 2×302312232022122 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59451739 + ... + 59958082.

It is an arithmetic number, because the mean of its divisors is an integer number (2223410885640).

Almost surely, 230231223202212 is an apocalyptic number.

It is an amenable number.

30231223202212 is a deficient number, since it is larger than the sum of its proper divisors (23130638053148).

30231223202212 is a wasteful number, since it uses less digits than its factorization.

30231223202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119410371 (or 119410369 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 30231223202212 its reverse (21220232213203), we get a palindrome (51451455415415).

The spelling of 30231223202212 in words is "thirty trillion, two hundred thirty-one billion, two hundred twenty-three million, two hundred two thousand, two hundred twelve".

Divisors: 1 2 4 167 334 379 668 758 1516 63293 126586 253172 119409821 238819642 477639284 19941440107 39882880214 45256322159 79765760428 90512644318 181025288636 7557805800553 15115611601106 30231223202212