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1068400000 = 27552671
BaseRepresentation
bin111111101011100…
…111110110000000
32202110101100021101
4333223213312000
54142002300000
6254003304144
735322151543
oct7753476600
92673340241
101068400000
114a90a1808
1225997b054
13140468665
14a1c7485a
1563be2e6a
hex3fae7d80

1068400000 has 96 divisors (see below), whose sum is σ = 2661392160. Its totient is φ = 427200000.

The previous prime is 1068399989. The next prime is 1068400013. The reversal of 1068400000 is 48601.

It is a super-2 number, since 2×10684000002 = 2282957120000000000, 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 11 ways as a sum of consecutive naturals, for example, 398665 + ... + 401335.

It is an arithmetic number, because the mean of its divisors is an integer number (27722835).

Almost surely, 21068400000 is an apocalyptic number.

1068400000 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 1068400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1330696080).

1068400000 is an abundant number, since it is smaller than the sum of its proper divisors (1592992160).

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

1068400000 is an frugal number, since it uses more digits than its factorization.

1068400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710 (or 2678 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1068400000 is about 32686.3886044329. The cubic root of 1068400000 is about 1022.2990560465.

Adding to 1068400000 its reverse (48601), we get a palindrome (1068448601).

The spelling of 1068400000 in words is "one billion, sixty-eight million, four hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 400 500 625 640 800 1000 1250 1600 2000 2500 2671 3125 3200 4000 5000 5342 6250 8000 10000 10684 12500 13355 16000 20000 21368 25000 26710 40000 42736 50000 53420 66775 80000 85472 100000 106840 133550 170944 200000 213680 267100 333875 341888 400000 427360 534200 667750 854720 1068400 1335500 1669375 1709440 2136800 2671000 3338750 4273600 5342000 6677500 8346875 8547200 10684000 13355000 16693750 21368000 26710000 33387500 42736000 53420000 66775000 106840000 133550000 213680000 267100000 534200000 1068400000