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48288786989 is a prime number
BaseRepresentation
bin101100111110001111…
…000110101000101101
311121122022212112200012
4230332033012220231
51242343412140424
634103352143005
73326432626352
oct547617065055
9147568775605
1048288786989
111952a841423
129437997a65
134727398751
1424a136a629
1513c9528b0e
hexb3e3c6a2d

48288786989 has 2 divisors, whose sum is σ = 48288786990. Its totient is φ = 48288786988.

The previous prime is 48288786947. The next prime is 48288786991. The reversal of 48288786989 is 98968788284.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34766585764 + 13522201225 = 186458^2 + 116285^2 .

It is a cyclic number.

It is not a de Polignac number, because 48288786989 - 220 = 48287738413 is a prime.

It is a super-2 number, since 2×482887869892 (a number of 22 digits) contains 22 as substring.

Together with 48288786991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48288786289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24144393494 + 24144393495.

It is an arithmetic number, because the mean of its divisors is an integer number (24144393495).

Almost surely, 248288786989 is an apocalyptic number.

It is an amenable number.

48288786989 is a deficient number, since it is larger than the sum of its proper divisors (1).

48288786989 is an equidigital number, since it uses as much as digits as its factorization.

48288786989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 891813888, while the sum is 77.

The spelling of 48288786989 in words is "forty-eight billion, two hundred eighty-eight million, seven hundred eighty-six thousand, nine hundred eighty-nine".