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7285738768 = 2471110095861
BaseRepresentation
bin1101100100100001…
…11000110100010000
3200210202101212200121
412302100320310100
5104410122120033
63202542400024
7345355520620
oct66220706420
920722355617
107285738768
1130a9678410
1214b3b90014
138c157c739
144d189a880
152c995c62d
hex1b2438d10

7285738768 has 80 divisors (see below), whose sum is σ = 17619765120. Its totient is φ = 2835302400.

The previous prime is 7285738763. The next prime is 7285738771. The reversal of 7285738768 is 8678375827.

It is not an unprimeable number, because it can be changed into a prime (7285738763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1240158 + ... + 1246018.

It is an arithmetic number, because the mean of its divisors is an integer number (220247064).

Almost surely, 27285738768 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 7285738768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8809882560).

7285738768 is an abundant number, since it is smaller than the sum of its proper divisors (10334026352).

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

7285738768 is a wasteful number, since it uses less digits than its factorization.

7285738768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6896 (or 6890 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 61.

The square root of 7285738768 is about 85356.5391050973. The cubic root of 7285738768 is about 1938.6133471441.

The spelling of 7285738768 in words is "seven billion, two hundred eighty-five million, seven hundred thirty-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 56 77 88 112 154 176 308 616 1009 1232 2018 4036 5861 7063 8072 11099 11722 14126 16144 22198 23444 28252 41027 44396 46888 56504 64471 77693 82054 88792 93776 113008 128942 155386 164108 177584 257884 310772 328216 451297 515768 621544 656432 902594 1031536 1243088 1805188 3610376 5913749 7220752 11827498 23654996 41396243 47309992 65051239 82792486 94619984 130102478 165584972 260204956 331169944 455358673 520409912 662339888 910717346 1040819824 1821434692 3642869384 7285738768