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1030709893 is a prime number
BaseRepresentation
bin111101011011110…
…110001010000101
32122211110111011111
4331123312022011
54102330204033
6250135405021
734353614053
oct7533661205
92584414144
101030709893
11489899664
12249223771
13135700315
149ac631d3
156074a7cd
hex3d6f6285

1030709893 has 2 divisors, whose sum is σ = 1030709894. Its totient is φ = 1030709892.

The previous prime is 1030709861. The next prime is 1030709923. The reversal of 1030709893 is 3989070301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 753886849 + 276823044 = 27457^2 + 16638^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030709893 - 25 = 1030709861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030709803) 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, 515354946 + 515354947.

It is an arithmetic number, because the mean of its divisors is an integer number (515354947).

Almost surely, 21030709893 is an apocalyptic number.

It is an amenable number.

1030709893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030709893 is an equidigital number, since it uses as much as digits as its factorization.

1030709893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 1030709893 is about 32104.6708906975. The cubic root of 1030709893 is about 1010.1335943926.

The spelling of 1030709893 in words is "one billion, thirty million, seven hundred nine thousand, eight hundred ninety-three".