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18231133122332 = 22131919793667837
BaseRepresentation
bin1000010010100110001000…
…01101101010111100011100
32101112212202000100211011222
410021103010031222330130
54342144330034403312
6102435133354032512
73561104321444204
oct411230415527434
971485660324158
1018231133122332
1158998643aa019
122065395718738
13a2325b110810
1447056a5b9404
15219378681672
hex1094c436af1c

18231133122332 has 48 divisors (see below), whose sum is σ = 36350614571040. Its totient is φ = 7931043009792.

The previous prime is 18231133122197. The next prime is 18231133122379. The reversal of 18231133122332 is 23322133113281.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18231133122292 and 18231133122301.

It is a congruent number.

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, 46639283 + ... + 47028554.

It is an arithmetic number, because the mean of its divisors is an integer number (757304470230).

Almost surely, 218231133122332 is an apocalyptic number.

It is an amenable number.

18231133122332 is a deficient number, since it is larger than the sum of its proper divisors (18119481448708).

18231133122332 is a wasteful number, since it uses less digits than its factorization.

18231133122332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93668070 (or 93668068 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The spelling of 18231133122332 in words is "eighteen trillion, two hundred thirty-one billion, one hundred thirty-three million, one hundred twenty-two thousand, three hundred thirty-two".

Divisors: 1 2 4 13 19 26 38 52 76 197 247 394 494 788 988 2561 3743 5122 7486 10244 14972 48659 97318 194636 93667837 187335674 374671348 1217681881 1779688903 2435363762 3559377806 4870727524 7118755612 18452563889 23135955739 36905127778 46271911478 73810255556 92543822956 239883330557 350598713891 479766661114 701197427782 959533322228 1402394855564 4557783280583 9115566561166 18231133122332