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1992531103 is a prime number
BaseRepresentation
bin111011011000011…
…1001110010011111
312010212022001211021
41312300321302133
513040041443403
6525414505011
7100243143403
oct16660716237
95125261737
101992531103
11932806122
12477365167
13259a608b4
1414c8b3103
15b9dd98bd
hex76c39c9f

1992531103 has 2 divisors, whose sum is σ = 1992531104. Its totient is φ = 1992531102.

The previous prime is 1992531031. The next prime is 1992531137. The reversal of 1992531103 is 3011352991.

Together with previous prime (1992531031) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (1992531137) can be obtained adding 1992531103 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1992531103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1992531173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996265551 + 996265552.

It is an arithmetic number, because the mean of its divisors is an integer number (996265552).

Almost surely, 21992531103 is an apocalyptic number.

1992531103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1992531103 is an equidigital number, since it uses as much as digits as its factorization.

1992531103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 1992531103 is about 44637.7766359392. The cubic root of 1992531103 is about 1258.3507234102.

The spelling of 1992531103 in words is "one billion, nine hundred ninety-two million, five hundred thirty-one thousand, one hundred three".