| Base | Representation |
|---|---|
| bin | 1001111100001101… |
| … | …0101010011100000 |
| 3 | 20212222011100200000 |
| 4 | 2133003111103200 |
| 5 | 20431110413130 |
| 6 | 1120442100000 |
| 7 | 123061313433 |
| oct | 23703252340 |
| 9 | 6788140600 |
| 10 | 2668451040 |
| 11 | 114a2a8842 |
| 12 | 6257aa600 |
| 13 | 336abb718 |
| 14 | 1b457d81a |
| 15 | 109402260 |
| hex | 9f0d54e0 |
2668451040 has 144 divisors (see below), whose sum is σ = 9443489328. Its totient is φ = 711576576.
The previous prime is 2668451033. The next prime is 2668451059. The reversal of 2668451040 is 401548662.
2668451040 is a `hidden beast` number, since 2 + 66 + 84 + 510 + 4 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 2668450986 and 2668451004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4564 + ... + 73196.
It is an arithmetic number, because the mean of its divisors is an integer number (65579787).
Almost surely, 22668451040 is an apocalyptic number.
2668451040 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 2668451040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4721744664).
2668451040 is an abundant number, since it is smaller than the sum of its proper divisors (6775038288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2668451040 is an equidigital number, since it uses as much as digits as its factorization.
2668451040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68663 (or 68643 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The square root of 2668451040 is about 51657.0521807042. The cubic root of 2668451040 is about 1387.0317835798.
The spelling of 2668451040 in words is "two billion, six hundred sixty-eight million, four hundred fifty-one thousand, forty".
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