Search a number
-
+
28726078054 = 254726257841
BaseRepresentation
bin11010110000001101…
…010010101001100110
32202010222011221222211
4122300031102221212
5432312333444204
621110243314034
72034600430462
oct326015225146
982128157884
1028726078054
1111201138683
12569837b91a
13292a48ac2b
1415671954a2
15b31d8a804
hex6b0352a66

28726078054 has 8 divisors (see below), whose sum is σ = 43167892248. Its totient is φ = 14336780640.

The previous prime is 28726078037. The next prime is 28726078063. The reversal of 28726078054 is 45087062782.

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

It is a junction number, because it is equal to n+sod(n) for n = 28726077989 and 28726078007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13127827 + ... + 13130014.

It is an arithmetic number, because the mean of its divisors is an integer number (5395986531).

Almost surely, 228726078054 is an apocalyptic number.

28726078054 is a deficient number, since it is larger than the sum of its proper divisors (14441814194).

28726078054 is a wasteful number, since it uses less digits than its factorization.

28726078054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26258390.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 28726078054 in words is "twenty-eight billion, seven hundred twenty-six million, seventy-eight thousand, fifty-four".

Divisors: 1 2 547 1094 26257841 52515682 14363039027 28726078054