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230230434989 is a prime number
BaseRepresentation
bin1101011001101011001…
…1011010010010101101
3211000021011011220020202
43112122303122102231
512233002442404424
6253433313123245
722430216256662
oct3263263322255
9730234156222
10230230434989
1189705095475
1238753859525
1318931366529
14b200d91a69
155ec741a2ae
hex359acda4ad

230230434989 has 2 divisors, whose sum is σ = 230230434990. Its totient is φ = 230230434988.

The previous prime is 230230434977. The next prime is 230230434997. The reversal of 230230434989 is 989434032032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208926697225 + 21303737764 = 457085^2 + 145958^2 .

It is a cyclic number.

It is not a de Polignac number, because 230230434989 - 212 = 230230430893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230230434589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115115217494 + 115115217495.

It is an arithmetic number, because the mean of its divisors is an integer number (115115217495).

Almost surely, 2230230434989 is an apocalyptic number.

It is an amenable number.

230230434989 is a deficient number, since it is larger than the sum of its proper divisors (1).

230230434989 is an equidigital number, since it uses as much as digits as its factorization.

230230434989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 230230434989 in words is "two hundred thirty billion, two hundred thirty million, four hundred thirty-four thousand, nine hundred eighty-nine".