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13123302100 = 22526110320887
BaseRepresentation
bin11000011100011010…
…11011001011010100
31020212120210211010221
430032031123023110
5203334031131400
610010113524124
7643131140656
oct141615331324
936776724127
1013123302100
115624842117
122662b73644
131311ab391c
148c6ca46d6
1551c1aac1a
hex30e35b2d4

13123302100 has 72 divisors (see below), whose sum is σ = 29226823808. Its totient is φ = 5112892800.

The previous prime is 13123302089. The next prime is 13123302107. The reversal of 13123302100 is 120332131.

13123302100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123302107) 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 23 ways as a sum of consecutive naturals, for example, 617857 + ... + 638743.

Almost surely, 213123302100 is an apocalyptic number.

13123302100 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 13123302100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14613411904).

13123302100 is an abundant number, since it is smaller than the sum of its proper divisors (16103521708).

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

13123302100 is a wasteful number, since it uses less digits than its factorization.

13123302100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21065 (or 21058 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13123302100 its reverse (120332131), we get a palindrome (13243634231).

The spelling of 13123302100 in words is "thirteen billion, one hundred twenty-three million, three hundred two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 61 100 103 122 206 244 305 412 515 610 1030 1220 1525 2060 2575 3050 5150 6100 6283 10300 12566 20887 25132 31415 41774 62830 83548 104435 125660 157075 208870 314150 417740 522175 628300 1044350 1274107 2088700 2151361 2548214 4302722 5096428 6370535 8605444 10756805 12741070 21513610 25482140 31852675 43027220 53784025 63705350 107568050 127410700 131233021 215136100 262466042 524932084 656165105 1312330210 2624660420 3280825525 6561651050 13123302100