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1232123030110 = 25789955120707
BaseRepresentation
bin10001111011100000010…
…000010110101001011110
311100210022202212010011101
4101323200100112221132
5130141341443430420
62342010212343314
7155006104645030
oct21734020265136
94323282763141
101232123030110
114355a4369065
1217a963614b3a
138c25b77232b
14438c68d5c50
15220b4dca60a
hex11ee0416a5e

1232123030110 has 64 divisors (see below), whose sum is σ = 2563524495360. Its totient is φ = 417631737600.

The previous prime is 1232123030087. The next prime is 1232123030113. The reversal of 1232123030110 is 110303212321.

It is a super-2 number, since 2×12321230301102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232123030113) by changing a digit.

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, 59492377 + ... + 59513083.

It is an arithmetic number, because the mean of its divisors is an integer number (40055070240).

Almost surely, 21232123030110 is an apocalyptic number.

1232123030110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232123030110 is an abundant number, since it is smaller than the sum of its proper divisors (1331401465250).

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

1232123030110 is a wasteful number, since it uses less digits than its factorization.

1232123030110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30361.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1232123030110 its reverse (110303212321), we get a palindrome (1342426242431).

The spelling of 1232123030110 in words is "one trillion, two hundred thirty-two billion, one hundred twenty-three million, thirty thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 70 89 178 445 623 890 1246 3115 6230 9551 19102 20707 41414 47755 66857 95510 103535 133714 144949 207070 289898 334285 668570 724745 850039 1449490 1700078 1842923 3685846 4250195 5950273 8500390 9214615 11900546 12900461 18429230 25800922 29751365 59502730 64502305 129004610 197772557 395545114 988862785 1384407899 1977725570 2768815798 6922039495 13844078990 17601757573 35203515146 88008787865 123212303011 176017575730 246424606022 616061515055 1232123030110