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112130213 = 1340921089
BaseRepresentation
bin1101010111011…
…11100010100101
321210222210201212
412223233202211
5212201131323
615043201205
72531043146
oct653574245
9253883655
10112130213
11583270a8
1231676205
131a2ccb50
1410c6bacd
159c9db78
hex6aef8a5

112130213 has 8 divisors (see below), whose sum is σ = 121056600. Its totient is φ = 103246848.

The previous prime is 112130201. The next prime is 112130231. The reversal of 112130213 is 312031211.

It can be written as a sum of positive squares in 4 ways, for example, as 55323844 + 56806369 = 7438^2 + 7537^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112130213 - 212 = 112126117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112130243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5228 + ... + 15861.

It is an arithmetic number, because the mean of its divisors is an integer number (15132075).

Almost surely, 2112130213 is an apocalyptic number.

112130213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

112130213 is a deficient number, since it is larger than the sum of its proper divisors (8926387).

112130213 is a wasteful number, since it uses less digits than its factorization.

112130213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21511.

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

The square root of 112130213 is about 10589.1554431881. The cubic root of 112130213 is about 482.2151851631.

Adding to 112130213 its reverse (312031211), we get a palindrome (424161424).

The spelling of 112130213 in words is "one hundred twelve million, one hundred thirty thousand, two hundred thirteen".

Divisors: 1 13 409 5317 21089 274157 8625401 112130213