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168125118008 = 231722313014261
BaseRepresentation
bin1001110010010100001…
…0011011011000111000
3121001221221001220112112
42130211002123120320
510223310012234013
6205122520431452
715101203631621
oct2344502333070
9531857056475
10168125118008
1165335278621
1228700918588
1312b146a9363
1481cca6aa48
15458ee4eba8
hex272509b638

168125118008 has 64 divisors (see below), whose sum is σ = 335611019520. Its totient is φ = 78683904000.

The previous prime is 168125118001. The next prime is 168125118011. The reversal of 168125118008 is 800811521861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168125118001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39454598 + ... + 39458858.

It is an arithmetic number, because the mean of its divisors is an integer number (5243922180).

Almost surely, 2168125118008 is an apocalyptic number.

It is an amenable number.

168125118008 is a deficient number, since it is larger than the sum of its proper divisors (167485901512).

168125118008 is a wasteful number, since it uses less digits than its factorization.

168125118008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5808 (or 5804 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 41.

Adding to 168125118008 its reverse (800811521861), we get a palindrome (968936639869).

The spelling of 168125118008 in words is "one hundred sixty-eight billion, one hundred twenty-five million, one hundred eighteen thousand, eight".

Divisors: 1 2 4 8 17 34 68 136 223 446 892 1301 1784 2602 3791 4261 5204 7582 8522 10408 15164 17044 22117 30328 34088 44234 72437 88468 144874 176936 289748 290123 579496 580246 950203 1160492 1900406 2320984 3800812 4932091 5543561 7601624 9864182 11087122 16153451 19728364 22174244 32306902 39456728 44348488 64613804 94240537 129227608 188481074 376962148 753924296 1236214103 2472428206 4944856412 9889712824 21015639751 42031279502 84062559004 168125118008