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230032112213 = 6131253120661
BaseRepresentation
bin1101011000111011111…
…0110111101001010101
3210222202100000001112202
43112032332313221111
512232101210042323
6253401510254245
722422260456321
oct3261676675125
9728670001482
10230032112213
1189613148652
12386b9357385
13188cc248787
14b1c28c8981
155eb4ce2d28
hex358efb7a55

230032112213 has 8 divisors (see below), whose sum is σ = 233812549176. Its totient is φ = 226251979200.

The previous prime is 230032112203. The next prime is 230032112237. The reversal of 230032112213 is 312211230032.

It can be written as a sum of positive squares in 4 ways, for example, as 90763729 + 229941348484 = 9527^2 + 479522^2 .

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 230032112213 - 214 = 230032095829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230032112203) 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, 1846103 + ... + 1966763.

It is an arithmetic number, because the mean of its divisors is an integer number (29226568647).

Almost surely, 2230032112213 is an apocalyptic number.

It is an amenable number.

230032112213 is a deficient number, since it is larger than the sum of its proper divisors (3780436963).

230032112213 is a wasteful number, since it uses less digits than its factorization.

230032112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151975.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 230032112213 its reverse (312211230032), we get a palindrome (542243342245).

The spelling of 230032112213 in words is "two hundred thirty billion, thirty-two million, one hundred twelve thousand, two hundred thirteen".

Divisors: 1 61 31253 120661 1906433 7360321 3771018233 230032112213