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10978311233 = 61717793049
BaseRepresentation
bin10100011100101101…
…11011110001000001
31001100002121222211202
422032112323301001
5134440421424413
65013211150545
7536024051201
oct121626736101
931302558752
1010978311233
114723a7479a
122164745455
13105c5a2666
14762066401
15443c07e58
hex28e5bbc41

10978311233 has 4 divisors (see below), whose sum is σ = 10996104900. Its totient is φ = 10960517568.

The previous prime is 10978311161. The next prime is 10978311247. The reversal of 10978311233 is 33211387901.

10978311233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3775733809 + 7202577424 = 61447^2 + 84868^2 .

It is a cyclic number.

It is not a de Polignac number, because 10978311233 - 28 = 10978310977 is a prime.

It is a super-2 number, since 2×109783112332 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10978311133) 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, 8895908 + ... + 8897141.

It is an arithmetic number, because the mean of its divisors is an integer number (2749026225).

Almost surely, 210978311233 is an apocalyptic number.

It is an amenable number.

10978311233 is a deficient number, since it is larger than the sum of its proper divisors (17793667).

10978311233 is an equidigital number, since it uses as much as digits as its factorization.

10978311233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17793666.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 10978311233 in words is "ten billion, nine hundred seventy-eight million, three hundred eleven thousand, two hundred thirty-three".

Divisors: 1 617 17793049 10978311233