Search a number
-
+
3428269838987 = 7489752834141
BaseRepresentation
bin110001111000110100110…
…011100101001010001011
3110010201222000112021002112
4301320310303211022023
5422132044034321422
611142531520252535
7502453502552540
oct61706463451213
913121860467075
103428269838987
111101a14a49574
1247450877114b
131bb390c56706
14bbd0180abc7
155e29ce05ee2
hex31e34ce528b

3428269838987 has 4 divisors (see below), whose sum is σ = 3918022673136. Its totient is φ = 2938517004840.

The previous prime is 3428269838971. The next prime is 3428269839023. The reversal of 3428269838987 is 7898389628243.

3428269838987 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 is a cyclic number.

It is not a de Polignac number, because 3428269838987 - 24 = 3428269838971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3428269838957) 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, 244876417064 + ... + 244876417077.

It is an arithmetic number, because the mean of its divisors is an integer number (979505668284).

Almost surely, 23428269838987 is an apocalyptic number.

3428269838987 is a deficient number, since it is larger than the sum of its proper divisors (489752834149).

3428269838987 is an equidigital number, since it uses as much as digits as its factorization.

3428269838987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489752834148.

The product of its digits is 2006581248, while the sum is 77.

The spelling of 3428269838987 in words is "three trillion, four hundred twenty-eight billion, two hundred sixty-nine million, eight hundred thirty-eight thousand, nine hundred eighty-seven".

Divisors: 1 7 489752834141 3428269838987