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80568214248 = 23337389233239
BaseRepresentation
bin100101100001000111…
…1010110001011101000
321200221221022100102010
41023002033112023220
52310000430323443
6101002412235520
75551361343624
oct1130217261350
9250857270363
1080568214248
1131194724935
121374616bba0
13779ca81972
143c8440a184
15216830d733
hex12c23d62e8

80568214248 has 64 divisors (see below), whose sum is σ = 207397008000. Its totient is φ = 26062947072.

The previous prime is 80568214241. The next prime is 80568214301. The reversal of 80568214248 is 84241286508.

It is a super-2 number, since 2×805682142482 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80568214197 and 80568214206.

It is not an unprimeable number, because it can be changed into a prime (80568214241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228813 + ... + 462051.

It is an arithmetic number, because the mean of its divisors is an integer number (3240578250).

Almost surely, 280568214248 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 80568214248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103698504000).

80568214248 is an abundant number, since it is smaller than the sum of its proper divisors (126828793752).

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

80568214248 is a wasteful number, since it uses less digits than its factorization.

80568214248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233674 (or 233670 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 48.

The spelling of 80568214248 in words is "eighty billion, five hundred sixty-eight million, two hundred fourteen thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 389 444 778 888 1167 1556 2334 3112 4668 9336 14393 28786 43179 57572 86358 115144 172716 233239 345432 466478 699717 932956 1399434 1865912 2798868 5597736 8629843 17259686 25889529 34519372 51779058 69038744 90729971 103558116 181459942 207116232 272189913 362919884 544379826 725839768 1088759652 2177519304 3357008927 6714017854 10071026781 13428035708 20142053562 26856071416 40284107124 80568214248