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80258170848 = 25322718611979
BaseRepresentation
bin100101010111111000…
…0100111111111100000
321200011022220111211020
41022233300213333200
52303332042431343
6100511535045440
75540605124202
oct1125760477740
9250138814736
1080258170848
1131045710719
121367a370880
13775077862b
143c55180772
15214aeb8b83
hex12afc27fe0

80258170848 has 96 divisors (see below), whose sum is σ = 211826482560. Its totient is φ = 26607106560.

The previous prime is 80258170819. The next prime is 80258170871. The reversal of 80258170848 is 84807185208.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 80258170848.

It is a congruent number.

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, 40553923 + ... + 40555901.

It is an arithmetic number, because the mean of its divisors is an integer number (2206525860).

Almost surely, 280258170848 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 80258170848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105913241280).

80258170848 is an abundant number, since it is smaller than the sum of its proper divisors (131568311712).

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

80258170848 is a wasteful number, since it uses less digits than its factorization.

80258170848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080 (or 4072 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 51.

The spelling of 80258170848 in words is "eighty billion, two hundred fifty-eight million, one hundred seventy thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 227 454 681 908 1362 1816 1861 1979 2724 3632 3722 3958 5448 5583 5937 7264 7444 7916 10896 11166 11874 14888 15832 21792 22332 23748 29776 31664 44664 47496 59552 63328 89328 94992 178656 189984 422447 449233 844894 898466 1267341 1347699 1689788 1796932 2534682 2695398 3379576 3593864 3682919 5069364 5390796 6759152 7187728 7365838 10138728 10781592 11048757 13518304 14375456 14731676 20277456 21563184 22097514 29463352 40554912 43126368 44195028 58926704 88390056 117853408 176780112 353560224 836022613 1672045226 2508067839 3344090452 5016135678 6688180904 10032271356 13376361808 20064542712 26752723616 40129085424 80258170848