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6627142968 = 233618354539
BaseRepresentation
bin1100010110000001…
…00010110100111000
3122002212010202002120
412023000202310320
5102033022033333
63013334401240
7323140533345
oct61300426470
918085122076
106627142968
1128a0938666
12134b500220
13817ca9094
1446c21d7cc
1528bc17db3
hex18b022d38

6627142968 has 64 divisors (see below), whose sum is σ = 17042659200. Its totient is φ = 2146615680.

The previous prime is 6627142939. The next prime is 6627142969. The reversal of 6627142968 is 8692417266.

It is a self number, because there is not a number n which added to its sum of digits gives 6627142968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6627142969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94243 + ... + 148781.

It is an arithmetic number, because the mean of its divisors is an integer number (266291550).

Almost surely, 26627142968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6627142968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8521329600).

6627142968 is an abundant number, since it is smaller than the sum of its proper divisors (10415516232).

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

6627142968 is a wasteful number, since it uses less digits than its factorization.

6627142968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54692 (or 54688 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 6627142968 is about 81407.2660639086. The cubic root of 6627142968 is about 1878.3453609445.

The spelling of 6627142968 in words is "six billion, six hundred twenty-seven million, one hundred forty-two thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 61 83 122 166 183 244 249 332 366 488 498 664 732 996 1464 1992 5063 10126 15189 20252 30378 40504 54539 60756 109078 121512 163617 218156 327234 436312 654468 1308936 3326879 4526737 6653758 9053474 9980637 13307516 13580211 18106948 19961274 26615032 27160422 36213896 39922548 54320844 79845096 108641688 276130957 552261914 828392871 1104523828 1656785742 2209047656 3313571484 6627142968