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68350318944 = 253266832
BaseRepresentation
bin111111101001111111…
…110001100101100000
320112102110011221220020
4333221333301211200
52104440140201234
651222200313440
74636533060615
oct775177614540
9215373157806
1068350318944
1126a94a782a6
12112b6472880
1365a373870b
1434458ac50c
151ba089b549
hexfe9ff1960

68350318944 has 36 divisors (see below), whose sum is σ = 179426311596. Its totient is φ = 22782585792.

The previous prime is 68350318901. The next prime is 68350318951. The reversal of 68350318944 is 44981305386.

It is a super-3 number, since 3×683503189443 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2548227 + ... + 2574909.

It is an arithmetic number, because the mean of its divisors is an integer number (4984064211).

Almost surely, 268350318944 is an apocalyptic number.

It is an amenable number.

68350318944 is an abundant number, since it is smaller than the sum of its proper divisors (111075992652).

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

68350318944 is an frugal number, since it uses more digits than its factorization.

68350318944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53379 (or 26688 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 68350318944 in words is "sixty-eight billion, three hundred fifty million, three hundred eighteen thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 26683 53366 80049 106732 160098 213464 320196 426928 640392 853856 1280784 2561568 711982489 1423964978 2135947467 2847929956 4271894934 5695859912 8543789868 11391719824 17087579736 22783439648 34175159472 68350318944