Search a number
-
+
728884027061 = 4375289225143
BaseRepresentation
bin10101001101101001101…
…11111001111010110101
32120200101011220000000222
422212310313321322311
543420223302331221
61314502242144125
7103442266001651
oct12466467717265
92520334800028
10728884027061
11261133038743
12b9319952045
135396c57ac08
14273c7453a61
1513e5ec429ab
hexa9b4df9eb5

728884027061 has 8 divisors (see below), whose sum is σ = 745848037440. Its totient is φ = 711920617632.

The previous prime is 728884027037. The next prime is 728884027213. The reversal of 728884027061 is 160720488827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 728884027061 - 222 = 728879832757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 728884026994 and 728884027012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728884027661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3124856 + ... + 3349998.

It is an arithmetic number, because the mean of its divisors is an integer number (93231004680).

Almost surely, 2728884027061 is an apocalyptic number.

It is an amenable number.

728884027061 is a deficient number, since it is larger than the sum of its proper divisors (16964010379).

728884027061 is a wasteful number, since it uses less digits than its factorization.

728884027061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300475.

The product of its (nonzero) digits is 2408448, while the sum is 53.

The spelling of 728884027061 in words is "seven hundred twenty-eight billion, eight hundred eighty-four million, twenty-seven thousand, sixty-one".

Divisors: 1 43 75289 225143 3237427 9681149 16950791327 728884027061