| Base | Representation |
|---|---|
| bin | 1010101011111100… |
| … | …1010101110101100 |
| 3 | 21101220221100001000 |
| 4 | 2222333022232230 |
| 5 | 21333340420430 |
| 6 | 1152353520300 |
| 7 | 131042266164 |
| oct | 25277125654 |
| 9 | 7356840030 |
| 10 | 2868685740 |
| 11 | 1242331068 |
| 12 | 680873090 |
| 13 | 3694287ab |
| 14 | 1d2dc35a4 |
| 15 | 11bca5e60 |
| hex | aafcabac |
2868685740 has 192 divisors, whose sum is σ = 9947750400. Its totient is φ = 682048512.
The previous prime is 2868685733. The next prime is 2868685747. The reversal of 2868685740 is 475868682.
2868685740 is a `hidden beast` number, since 2 + 8 + 6 + 8 + 68 + 574 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (2868685733) and next prime (2868685747).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (2868685747) 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 63 ways as a sum of consecutive naturals, for example, 166197 + ... + 182643.
It is an arithmetic number, because the mean of its divisors is an integer number (51811200).
Almost surely, 22868685740 is an apocalyptic number.
2868685740 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 2868685740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4973875200).
2868685740 is an abundant number, since it is smaller than the sum of its proper divisors (7079064660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2868685740 is a wasteful number, since it uses less digits than its factorization.
2868685740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16501 (or 16493 counting only the distinct ones).
The product of its (nonzero) digits is 5160960, while the sum is 54.
The square root of 2868685740 is about 53560.1133307240. The cubic root of 2868685740 is about 1420.8917462954.
The spelling of 2868685740 in words is "two billion, eight hundred sixty-eight million, six hundred eighty-five thousand, seven hundred forty".
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