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28028302783080 = 2335376312680807
BaseRepresentation
bin1100101111101110110010…
…00001111111001001101000
310200020110221121112020222020
412113313121001333021220
512133203431003024310
6135340005145024440
75621656320515535
oct627673101771150
9120213847466866
1028028302783080
118a26811252096
1231880a5a85120
131284099759402
146cc811785d8c
15339131921170
hex197dd907f268

28028302783080 has 64 divisors (see below), whose sum is σ = 86357473453440. Its totient is φ = 7272208288512.

The previous prime is 28028302783067. The next prime is 28028302783099. The reversal of 28028302783080 is 8038720382082.

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, 3156335964 + ... + 3156344843.

It is an arithmetic number, because the mean of its divisors is an integer number (1349335522710).

Almost surely, 228028302783080 is an apocalyptic number.

28028302783080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28028302783080 is an abundant number, since it is smaller than the sum of its proper divisors (58329170670360).

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

28028302783080 is a wasteful number, since it uses less digits than its factorization.

28028302783080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312680858 (or 6312680854 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 28028302783080 in words is "twenty-eight trillion, twenty-eight billion, three hundred two million, seven hundred eighty-three thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 37 40 60 74 111 120 148 185 222 296 370 444 555 740 888 1110 1480 2220 4440 6312680807 12625361614 18938042421 25250723228 31563404035 37876084842 50501446456 63126808070 75752169684 94690212105 126253616140 151504339368 189380424210 233569189859 252507232280 378760848420 467138379718 700707569577 757521696840 934276759436 1167845949295 1401415139154 1868553518872 2335691898590 2802830278308 3503537847885 4671383797180 5605660556616 7007075695770 9342767594360 14014151391540 28028302783080