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228300436031 = 1911195290241
BaseRepresentation
bin1101010010011111000…
…1000011001000111111
3210211021122112210101212
43110213301003020333
512220024402423111
6252514010355035
722331332454603
oct3244761031077
9724248483355
10228300436031
118890470a708
12382b542ba7b
13186b455b305
14b09a919503
155e12c8398b
hex3527c4323f

228300436031 has 4 divisors (see below), whose sum is σ = 229495726464. Its totient is φ = 227105145600.

The previous prime is 228300436003. The next prime is 228300436051. The reversal of 228300436031 is 130634003822.

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

It is a cyclic number.

It is not a de Polignac number, because 228300436031 - 230 = 227226694207 is a prime.

It is a super-2 number, since 2×2283004360312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228300436051) 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, 597644930 + ... + 597645311.

It is an arithmetic number, because the mean of its divisors is an integer number (57373931616).

Almost surely, 2228300436031 is an apocalyptic number.

228300436031 is a deficient number, since it is larger than the sum of its proper divisors (1195290433).

228300436031 is a wasteful number, since it uses less digits than its factorization.

228300436031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195290432.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 228300436031 its reverse (130634003822), we get a palindrome (358934439853).

The spelling of 228300436031 in words is "two hundred twenty-eight billion, three hundred million, four hundred thirty-six thousand, thirty-one".

Divisors: 1 191 1195290241 228300436031