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42848999989 is a prime number
BaseRepresentation
bin100111111001111111…
…111101101000110101
311002121012221201202121
4213321333331220311
51200223320444424
631403510435541
73044560330135
oct477177755065
9132535851677
1042848999989
1117199163994
12837a062bb1
13406b3a7983
142106b08ac5
1511abb9eee4
hex9f9ffda35

42848999989 has 2 divisors, whose sum is σ = 42848999990. Its totient is φ = 42848999988.

The previous prime is 42848999933. The next prime is 42849000031. The reversal of 42848999989 is 98999984824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33641062225 + 9207937764 = 183415^2 + 95958^2 .

It is a cyclic number.

It is not a de Polignac number, because 42848999989 - 235 = 8489261621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42848999189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21424499994 + 21424499995.

It is an arithmetic number, because the mean of its divisors is an integer number (21424499995).

Almost surely, 242848999989 is an apocalyptic number.

It is an amenable number.

42848999989 is a deficient number, since it is larger than the sum of its proper divisors (1).

42848999989 is an equidigital number, since it uses as much as digits as its factorization.

42848999989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967458816, while the sum is 79.

The spelling of 42848999989 in words is "forty-two billion, eight hundred forty-eight million, nine hundred ninety-nine thousand, nine hundred eighty-nine".