Search a number
-
+
10728345943 = 71532620849
BaseRepresentation
bin10011111110111010…
…11001000101010111
31000200200021102221001
421333131121011113
5133432424032233
64532321404131
7526600302340
oct117735310527
930620242831
1010728345943
114605965107
1220b4a99647
13101c8729c3
1473ab990c7
1542bcce27d
hex27f759157

10728345943 has 4 divisors (see below), whose sum is σ = 12260966800. Its totient is φ = 9195725088.

The previous prime is 10728345919. The next prime is 10728345959. The reversal of 10728345943 is 34954382701.

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

It is a cyclic number.

It is not a de Polignac number, because 10728345943 - 221 = 10726248791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10728345893 and 10728345902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10728345983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766310418 + ... + 766310431.

It is an arithmetic number, because the mean of its divisors is an integer number (3065241700).

Almost surely, 210728345943 is an apocalyptic number.

10728345943 is a deficient number, since it is larger than the sum of its proper divisors (1532620857).

10728345943 is an equidigital number, since it uses as much as digits as its factorization.

10728345943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532620856.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 10728345943 in words is "ten billion, seven hundred twenty-eight million, three hundred forty-five thousand, nine hundred forty-three".

Divisors: 1 7 1532620849 10728345943