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13123101200 = 24521143139499
BaseRepresentation
bin11000011100011001…
…01010001000010000
31020212120102121120012
430032030222020100
5203334003214300
610010105334052
7643126343156
oct141614521020
936776377505
1013123101200
115624715190
122662a97328
131311a43351
148c6c513d6
1551c16b435
hex30e32a210

13123101200 has 240 divisors, whose sum is σ = 35518560000. Its totient is φ = 4618252800.

The previous prime is 13123101151. The next prime is 13123101289. The reversal of 13123101200 is 210132131.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26298551 + ... + 26299049.

It is an arithmetic number, because the mean of its divisors is an integer number (147994000).

Almost surely, 213123101200 is an apocalyptic number.

13123101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13123101200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17759280000).

13123101200 is an abundant number, since it is smaller than the sum of its proper divisors (22395458800).

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

13123101200 is a wasteful number, since it uses less digits than its factorization.

13123101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 699 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13123101200 its reverse (210132131), we get a palindrome (13333233331).

The spelling of 13123101200 in words is "thirteen billion, one hundred twenty-three million, one hundred one thousand, two hundred".