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2683012728 = 2331159281613
BaseRepresentation
bin1001111111101011…
…1000011001111000
320220222120011112210
42133322320121320
520443322401403
61122122135120
7123326142354
oct23772703170
96828504483
102683012728
1111575441a0
1262a6514a0
13339b196c6
141b6490464
1510a82bb03
hex9feb8678

2683012728 has 128 divisors (see below), whose sum is σ = 7479993600. Its totient is φ = 795110400.

The previous prime is 2683012723. The next prime is 2683012733. The reversal of 2683012728 is 8272103862.

It is an interprime number because it is at equal distance from previous prime (2683012723) and next prime (2683012733).

It is a super-2 number, since 2×26830127282 = 14397114597220003968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2683012723) 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, 4376550 + ... + 4377162.

It is an arithmetic number, because the mean of its divisors is an integer number (58437450).

Almost surely, 22683012728 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 2683012728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3739996800).

2683012728 is an abundant number, since it is smaller than the sum of its proper divisors (4796980872).

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

2683012728 is a wasteful number, since it uses less digits than its factorization.

2683012728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 2683012728 is about 51797.8062083714. The cubic root of 2683012728 is about 1389.5502103851.

The spelling of 2683012728 in words is "two billion, six hundred eighty-three million, twelve thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 59 66 88 118 132 177 236 264 281 354 472 562 613 649 708 843 1124 1226 1298 1416 1686 1839 1947 2248 2452 2596 3091 3372 3678 3894 4904 5192 6182 6743 6744 7356 7788 9273 12364 13486 14712 15576 16579 18546 20229 24728 26972 33158 36167 37092 40458 49737 53944 66316 72334 74184 80916 99474 108501 132632 144668 161832 172253 182369 198948 217002 289336 344506 364738 397837 397896 434004 516759 547107 689012 729476 795674 868008 1033518 1094214 1193511 1378024 1458952 1591348 1894783 2067036 2188428 2387022 3182696 3789566 4134072 4376856 4774044 5684349 7579132 9548088 10162927 11368698 15158264 20325854 22737396 30488781 40651708 45474792 60977562 81303416 111792197 121955124 223584394 243910248 335376591 447168788 670753182 894337576 1341506364 2683012728