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1068722868 = 223195099209
BaseRepresentation
bin111111101100110…
…110101010110100
32202110222202011110
4333230312222310
54142043112433
6254014235020
735324665053
oct7754665264
92673882143
101068722868
114a92a2344
12259ab5a70
1314054c5c5
14a1d1a39a
1563c58963
hex3fb36ab4

1068722868 has 48 divisors (see below), whose sum is σ = 2630376000. Its totient is φ = 336791808.

The previous prime is 1068722827. The next prime is 1068722891. The reversal of 1068722868 is 8682278601.

It is a super-2 number, since 2×10687228682 = 2284337137172290848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 111448 + ... + 120656.

It is an arithmetic number, because the mean of its divisors is an integer number (54799500).

Almost surely, 21068722868 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 1068722868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1315188000).

1068722868 is an abundant number, since it is smaller than the sum of its proper divisors (1561653132).

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

1068722868 is a wasteful number, since it uses less digits than its factorization.

1068722868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9744 (or 9742 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 1068722868 is about 32691.3271067419. The cubic root of 1068722868 is about 1022.4020244755.

The spelling of 1068722868 in words is "one billion, sixty-eight million, seven hundred twenty-two thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 509 1018 1527 2036 3054 6108 9209 9671 18418 19342 27627 29013 36836 38684 55254 58026 110508 116052 174971 349942 524913 699884 1049826 2099652 4687381 9374762 14062143 18749524 28124286 56248572 89060239 178120478 267180717 356240956 534361434 1068722868