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8463085540 = 2257135478501
BaseRepresentation
bin1111110000111000…
…00110111111100100
3210211210210021211121
413320130012333210
5114313022214130
63515441143324
7416503016530
oct77034067744
923753707747
108463085540
113653211478
12178232ab44
13a4b471c30
145a3db0bc0
15347ec0d7a
hex1f8706fe4

8463085540 has 96 divisors (see below), whose sum is σ = 21916387584. Its totient is φ = 2673216000.

The previous prime is 8463085511. The next prime is 8463085541. The reversal of 8463085540 is 455803648.

It is not an unprimeable number, because it can be changed into a prime (8463085541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 991290 + ... + 999790.

It is an arithmetic number, because the mean of its divisors is an integer number (228295704).

Almost surely, 28463085540 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 8463085540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10958193792).

8463085540 is an abundant number, since it is smaller than the sum of its proper divisors (13453302044).

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

8463085540 is a wasteful number, since it uses less digits than its factorization.

8463085540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9077 (or 9075 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The square root of 8463085540 is about 91995.0299744503. The cubic root of 8463085540 is about 2037.8689090254.

The spelling of 8463085540 in words is "eight billion, four hundred sixty-three million, eighty-five thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 547 910 1094 1820 2188 2735 3829 5470 7111 7658 8501 10940 14222 15316 17002 19145 28444 34004 35555 38290 42505 49777 59507 71110 76580 85010 99554 110513 119014 142220 170020 199108 221026 238028 248885 297535 442052 497770 552565 595070 773591 995540 1105130 1190140 1547182 2210260 3094364 3867955 4650047 7735910 9300094 15471820 18600188 23250235 32550329 46500470 60450611 65100658 93000940 120901222 130201316 162751645 241802444 302253055 325503290 423154277 604506110 651006580 846308554 1209012220 1692617108 2115771385 4231542770 8463085540