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2668576000 = 285389937
BaseRepresentation
bin1001111100001111…
…0011110100000000
320212222101201002011
42133003303310000
520431123413000
61120444502304
7123062343646
oct23703636400
96788351064
102668576000
11114a383712
1262584a994
13336b3356c
141b45b3196
151094292ba
hex9f0f3d00

2668576000 has 144 divisors (see below), whose sum is σ = 6729624720. Its totient is φ = 1054310400.

The previous prime is 2668575991. The next prime is 2668576019. The reversal of 2668576000 is 6758662.

It can be written as a sum of positive squares in 8 ways, for example, as 2004173824 + 664402176 = 44768^2 + 25776^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 2847532 + ... + 2848468.

It is an arithmetic number, because the mean of its divisors is an integer number (46733505).

Almost surely, 22668576000 is an apocalyptic number.

2668576000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2668576000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3364812360).

2668576000 is an abundant number, since it is smaller than the sum of its proper divisors (4061048720).

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

2668576000 is an frugal number, since it uses more digits than its factorization.

2668576000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2668576000 is about 51658.2616819420. The cubic root of 2668576000 is about 1387.0534341908.

The spelling of 2668576000 in words is "two billion, six hundred sixty-eight million, five hundred seventy-six thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 89 100 125 128 160 178 200 250 256 320 356 400 445 500 640 712 800 890 937 1000 1280 1424 1600 1780 1874 2000 2225 2848 3200 3560 3748 4000 4450 4685 5696 6400 7120 7496 8000 8900 9370 11125 11392 14240 14992 16000 17800 18740 22250 22784 23425 28480 29984 32000 35600 37480 44500 46850 56960 59968 71200 74960 83393 89000 93700 113920 117125 119936 142400 149920 166786 178000 187400 234250 239872 284800 299840 333572 356000 374800 416965 468500 569600 599680 667144 712000 749600 833930 937000 1199360 1334288 1424000 1499200 1667860 1874000 2084825 2668576 2848000 2998400 3335720 3748000 4169650 5337152 5996800 6671440 7496000 8339300 10424125 10674304 13342880 14992000 16678600 20848250 21348608 26685760 29984000 33357200 41696500 53371520 66714400 83393000 106743040 133428800 166786000 266857600 333572000 533715200 667144000 1334288000 2668576000