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2680761216 = 2737997307
BaseRepresentation
bin1001111111001001…
…0010101110000000
320220211022210001110
42133302102232000
520442233324331
61122002003320
7123301044240
oct23762225600
96824283043
102680761216
111156246641
12629946540
1333950b953
141b6065b20
1510a534946
hex9fc92b80

2680761216 has 64 divisors (see below), whose sum is σ = 8138033280. Its totient is φ = 765931008.

The previous prime is 2680761199. The next prime is 2680761269. The reversal of 2680761216 is 6121670862.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495966 + ... + 501341.

It is an arithmetic number, because the mean of its divisors is an integer number (127156770).

Almost surely, 22680761216 is an apocalyptic number.

It is an amenable number.

2680761216 is an abundant number, since it is smaller than the sum of its proper divisors (5457272064).

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

2680761216 is an equidigital number, since it uses as much as digits as its factorization.

2680761216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997331 (or 997319 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 2680761216 is about 51776.0679851222. The cubic root of 2680761216 is about 1389.1614105742.

The spelling of 2680761216 in words is "two billion, six hundred eighty million, seven hundred sixty-one thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 336 384 448 672 896 1344 2688 997307 1994614 2991921 3989228 5983842 6981149 7978456 11967684 13962298 15956912 20943447 23935368 27924596 31913824 41886894 47870736 55849192 63827648 83773788 95741472 111698384 127655296 167547576 191482944 223396768 335095152 382965888 446793536 670190304 893587072 1340380608 2680761216