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1069970813 is a prime number
BaseRepresentation
bin111111110001100…
…111010101111101
32202120100011000122
4333301213111331
54142403031223
6254101104325
735341413302
oct7761472575
92676304018
101069970813
114a9a749aa
1225a3b80a5
13140898632
14a21630a9
1563e035c8
hex3fc6757d

1069970813 has 2 divisors, whose sum is σ = 1069970814. Its totient is φ = 1069970812.

The previous prime is 1069970801. The next prime is 1069970851. The reversal of 1069970813 is 3180799601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1067786329 + 2184484 = 32677^2 + 1478^2 .

It is a cyclic number.

It is not a de Polignac number, because 1069970813 - 220 = 1068922237 is a prime.

It is a super-2 number, since 2×10699708132 = 2289675081343761938, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1069970873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534985406 + 534985407.

It is an arithmetic number, because the mean of its divisors is an integer number (534985407).

Almost surely, 21069970813 is an apocalyptic number.

It is an amenable number.

1069970813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069970813 is an equidigital number, since it uses as much as digits as its factorization.

1069970813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 1069970813 is about 32710.4083282371. The cubic root of 1069970813 is about 1022.7998217693.

The spelling of 1069970813 in words is "one billion, sixty-nine million, nine hundred seventy thousand, eight hundred thirteen".