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230232103222213 = 549509418977857
BaseRepresentation
bin110100010110010100010110…
…101110100111101111000101
31010012011222022010111011102001
4310112110112232213233011
5220134110321411102323
62133355100150145301
766331502100604051
oct6426242656475705
91105158263434361
10230232103222213
11673a4983148604
12219a4635652231
139b60a42a5aa71
1440bd416984c61
151b93cea8b83ad
hexd16516ba7bc5

230232103222213 has 4 divisors (see below), whose sum is σ = 230232522749580. Its totient is φ = 230231683694848.

The previous prime is 230232103222193. The next prime is 230232103222243. The reversal of 230232103222213 is 312222301232032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1551835758529 + 228680267463684 = 1245727^2 + 15122178^2 .

It is a cyclic number.

It is not a de Polignac number, because 230232103222213 - 25 = 230232103222181 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 (230232103222243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208939420 + ... + 210038437.

It is an arithmetic number, because the mean of its divisors is an integer number (57558130687395).

Almost surely, 2230232103222213 is an apocalyptic number.

It is an amenable number.

230232103222213 is a deficient number, since it is larger than the sum of its proper divisors (419527367).

230232103222213 is an equidigital number, since it uses as much as digits as its factorization.

230232103222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419527366.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 230232103222213 its reverse (312222301232032), we get a palindrome (542454404454245).

The spelling of 230232103222213 in words is "two hundred thirty trillion, two hundred thirty-two billion, one hundred three million, two hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 549509 418977857 230232103222213