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13112300 = 2252235701
BaseRepresentation
bin110010000001…
…001111101100
3220200011200202
4302001033230
511324043200
61145013032
7216311165
oct62011754
926604622
1013112300
117446513
124484178
132941376
141a5476c
1512401d5
hexc813ec

13112300 has 36 divisors (see below), whose sum is σ = 29696016. Its totient is φ = 5016000.

The previous prime is 13112273. The next prime is 13112329. The reversal of 13112300 is 321131.

It is a super-2 number, since 2×131123002 = 343864822580000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 551 + ... + 5150.

Almost surely, 213112300 is an apocalyptic number.

13112300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112300 is an abundant number, since it is smaller than the sum of its proper divisors (16583716).

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

13112300 is a wasteful number, since it uses less digits than its factorization.

13112300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738 (or 5731 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 13112300 is about 3621.0909958188. The cubic root of 13112300 is about 235.8085922872.

Adding to 13112300 its reverse (321131), we get a palindrome (13433431).

The spelling of 13112300 in words is "thirteen million, one hundred twelve thousand, three hundred".

Divisors: 1 2 4 5 10 20 23 25 46 50 92 100 115 230 460 575 1150 2300 5701 11402 22804 28505 57010 114020 131123 142525 262246 285050 524492 570100 655615 1311230 2622460 3278075 6556150 13112300