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1070903689 is a prime number
BaseRepresentation
bin111111110101001…
…011000110001001
32202122002112200121
4333311023012021
54143122404224
6254133103241
735352350122
oct7765130611
92678075617
101070903689
114aa551879
1225a787b21
13140b3412b
14a2327049
1564039be4
hex3fd4b189

1070903689 has 2 divisors, whose sum is σ = 1070903690. Its totient is φ = 1070903688.

The previous prime is 1070903683. The next prime is 1070903737. The reversal of 1070903689 is 9863090701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 784448064 + 286455625 = 28008^2 + 16925^2 .

It is an emirp because it is prime and its reverse (9863090701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1070903689 - 23 = 1070903681 is a prime.

It is a super-2 number, since 2×10709036892 = 2293669422227617442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1070903681) 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, 535451844 + 535451845.

It is an arithmetic number, because the mean of its divisors is an integer number (535451845).

Almost surely, 21070903689 is an apocalyptic number.

It is an amenable number.

1070903689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1070903689 is an equidigital number, since it uses as much as digits as its factorization.

1070903689 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 43.

The square root of 1070903689 is about 32724.6648416756. The cubic root of 1070903689 is about 1023.0969850913.

The spelling of 1070903689 in words is "one billion, seventy million, nine hundred three thousand, six hundred eighty-nine".