Search a number
-
+
34344568878 = 2330133189961
BaseRepresentation
bin11111111111000110…
…001000100000101110
310021122112100212110120
4133333012020200232
51030314202201003
623435551145410
72324043006264
oct377706104056
9107575325416
1034344568878
1113624682a24
1267a5b15266
1333144ba909
14193b454434
15d60263853
hex7ff18882e

34344568878 has 16 divisors (see below), whose sum is σ = 68691778896. Its totient is φ = 11447749440.

The previous prime is 34344568873. The next prime is 34344568897. The reversal of 34344568878 is 87886544343.

It is a happy number.

It is a super-3 number, since 3×343445688783 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34344568871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85818 + ... + 275778.

It is an arithmetic number, because the mean of its divisors is an integer number (4293236181).

Almost surely, 234344568878 is an apocalyptic number.

34344568878 is an abundant number, since it is smaller than the sum of its proper divisors (34347210018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34344568878 is a wasteful number, since it uses less digits than its factorization.

34344568878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220099.

The product of its digits is 61931520, while the sum is 60.

The spelling of 34344568878 in words is "thirty-four billion, three hundred forty-four million, five hundred sixty-eight thousand, eight hundred seventy-eight".

Divisors: 1 2 3 6 30133 60266 90399 180798 189961 379922 569883 1139766 5724094813 11448189626 17172284439 34344568878