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68552442768 = 24313071092713
BaseRepresentation
bin111111110110000010…
…110100001110010000
320112221112111220122210
4333312002310032100
52110343411132033
651254220432120
74644536102115
oct776602641620
9215845456583
1068552442768
1127089080987
12113520a8640
136606587604
14346468490c
151bb34c4d63
hexff60b4390

68552442768 has 40 divisors (see below), whose sum is σ = 177229469088. Its totient is φ = 22833309952.

The previous prime is 68552442697. The next prime is 68552442769. The reversal of 68552442768 is 86724425586.

68552442768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (68552442769) 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, 483621 + ... + 609092.

Almost surely, 268552442768 is an apocalyptic number.

It is an amenable number.

68552442768 is an abundant number, since it is smaller than the sum of its proper divisors (108677026320).

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

68552442768 is a wasteful number, since it uses less digits than its factorization.

68552442768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094031 (or 1094025 counting only the distinct ones).

The product of its digits is 25804800, while the sum is 57.

The spelling of 68552442768 in words is "sixty-eight billion, five hundred fifty-two million, four hundred forty-two thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1307 2614 3921 5228 7842 10456 15684 20912 31368 62736 1092713 2185426 3278139 4370852 6556278 8741704 13112556 17483408 26225112 52450224 1428175891 2856351782 4284527673 5712703564 8569055346 11425407128 17138110692 22850814256 34276221384 68552442768