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1068704880 = 24358950033
BaseRepresentation
bin111111101100110…
…010010001110000
32202110221211111020
4333230302101300
54142042024010
6254014015440
735324561445
oct7754622160
92673854436
101068704880
114a928a881
12259aa7580
13140544369
14a1d139cc
1563c53470
hex3fb32470

1068704880 has 80 divisors (see below), whose sum is σ = 3350276640. Its totient is φ = 281780224.

The previous prime is 1068704869. The next prime is 1068704891. The reversal of 1068704880 is 884078601.

It is an interprime number because it is at equal distance from previous prime (1068704869) and next prime (1068704891).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×10687048802 = 2284260241071628800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3657 + ... + 46376.

It is an arithmetic number, because the mean of its divisors is an integer number (41878458).

Almost surely, 21068704880 is an apocalyptic number.

1068704880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1068704880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675138320).

1068704880 is an abundant number, since it is smaller than the sum of its proper divisors (2281571760).

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

1068704880 is a wasteful number, since it uses less digits than its factorization.

1068704880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50138 (or 50132 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 1068704880 is about 32691.0519867440. The cubic root of 1068704880 is about 1022.3962883234.

The spelling of 1068704880 in words is "one billion, sixty-eight million, seven hundred four thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 89 120 178 240 267 356 445 534 712 890 1068 1335 1424 1780 2136 2670 3560 4272 5340 7120 10680 21360 50033 100066 150099 200132 250165 300198 400264 500330 600396 750495 800528 1000660 1200792 1500990 2001320 2401584 3001980 4002640 4452937 6003960 8905874 12007920 13358811 17811748 22264685 26717622 35623496 44529370 53435244 66794055 71246992 89058740 106870488 133588110 178117480 213740976 267176220 356234960 534352440 1068704880