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1988712883 is a prime number
BaseRepresentation
bin111011010001001…
…0101100110110011
312010121010002012201
41312202111212303
513033102303013
6525201004031
7100165531513
oct16642254663
95117102181
101988712883
11930638473
12476023617
132590249b1
1414c19b843
15b98d33dd
hex768959b3

1988712883 has 2 divisors, whose sum is σ = 1988712884. Its totient is φ = 1988712882.

The previous prime is 1988712821. The next prime is 1988712907. The reversal of 1988712883 is 3882178891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1988712883 - 213 = 1988704691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1988712283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 994356441 + 994356442.

It is an arithmetic number, because the mean of its divisors is an integer number (994356442).

Almost surely, 21988712883 is an apocalyptic number.

1988712883 is a deficient number, since it is larger than the sum of its proper divisors (1).

1988712883 is an equidigital number, since it uses as much as digits as its factorization.

1988712883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1548288, while the sum is 55.

The square root of 1988712883 is about 44594.9871958721. The cubic root of 1988712883 is about 1257.5464311266.

The spelling of 1988712883 in words is "one billion, nine hundred eighty-eight million, seven hundred twelve thousand, eight hundred eighty-three".