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2430233989 is a prime number
BaseRepresentation
bin1001000011011010…
…0110110110000101
320021100220200022021
42100312212312011
514434114441424
61041052203141
7114136435201
oct22066466605
96240820267
102430233989
111037892847
12579a694b1
132c96432a1
14190a8db01
15e35494e4
hex90da6d85

2430233989 has 2 divisors, whose sum is σ = 2430233990. Its totient is φ = 2430233988.

The previous prime is 2430233987. The next prime is 2430234011. The reversal of 2430233989 is 9893320342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2229445089 + 200788900 = 47217^2 + 14170^2 .

It is a cyclic number.

It is not a de Polignac number, because 2430233989 - 21 = 2430233987 is a prime.

Together with 2430233987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2430233987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215116994 + 1215116995.

It is an arithmetic number, because the mean of its divisors is an integer number (1215116995).

Almost surely, 22430233989 is an apocalyptic number.

It is an amenable number.

2430233989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2430233989 is an equidigital number, since it uses as much as digits as its factorization.

2430233989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 2430233989 is about 49297.4034711769. The cubic root of 2430233989 is about 1344.4645748215.

The spelling of 2430233989 in words is "two billion, four hundred thirty million, two hundred thirty-three thousand, nine hundred eighty-nine".