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230863289849 is a prime number
BaseRepresentation
bin1101011100000010000…
…1100011110111111001
3211001220021000020220122
43113000201203313321
512240302000233344
6254020201303025
722452002404613
oct3270041436771
9731807006818
10230863289849
11899aa343715
12388ab794a75
1318a024c666a
14b26104bdb3
156012c77aee
hex35c0863df9

230863289849 has 2 divisors, whose sum is σ = 230863289850. Its totient is φ = 230863289848.

The previous prime is 230863289779. The next prime is 230863289863. The reversal of 230863289849 is 948982368032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208574890000 + 22288399849 = 456700^2 + 149293^2 .

It is a cyclic number.

It is not a de Polignac number, because 230863289849 - 216 = 230863224313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230863289791 and 230863289800.

It is not a weakly prime, because it can be changed into another prime (230863289879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115431644924 + 115431644925.

It is an arithmetic number, because the mean of its divisors is an integer number (115431644925).

Almost surely, 2230863289849 is an apocalyptic number.

It is an amenable number.

230863289849 is a deficient number, since it is larger than the sum of its proper divisors (1).

230863289849 is an equidigital number, since it uses as much as digits as its factorization.

230863289849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35831808, while the sum is 62.

The spelling of 230863289849 in words is "two hundred thirty billion, eight hundred sixty-three million, two hundred eighty-nine thousand, eight hundred forty-nine".