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1070730013 = 3728938649
BaseRepresentation
bin111111110100100…
…000101100011101
32202121202201110011
4333310200230131
54143101330023
6254125243221
735351024563
oct7764405435
92677681404
101070730013
114aa443341
1225a703511
13140aa3072
14a22bda33
156400350d
hex3fd20b1d

1070730013 has 4 divisors (see below), whose sum is σ = 1099668700. Its totient is φ = 1041791328.

The previous prime is 1070730007. The next prime is 1070730079. The reversal of 1070730013 is 3100370701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3100370701 = 3179997499.

It can be written as a sum of positive squares in 2 ways, for example, as 958645444 + 112084569 = 30962^2 + 10587^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1070730013 is a prime.

It is a super-2 number, since 2×10707300132 = 2292925521477960338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1070730413) 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 in 3 ways as a sum of consecutive naturals, for example, 14469288 + ... + 14469361.

It is an arithmetic number, because the mean of its divisors is an integer number (274917175).

Almost surely, 21070730013 is an apocalyptic number.

It is an amenable number.

1070730013 is a deficient number, since it is larger than the sum of its proper divisors (28938687).

1070730013 is an equidigital number, since it uses as much as digits as its factorization.

1070730013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28938686.

The product of its (nonzero) digits is 441, while the sum is 22.

The square root of 1070730013 is about 32722.0111392928. The cubic root of 1070730013 is about 1023.0416744845.

The spelling of 1070730013 in words is "one billion, seventy million, seven hundred thirty thousand, thirteen".

Divisors: 1 37 28938649 1070730013