| Base | Representation |
|---|---|
| bin | 11000001010010000110… |
| … | …000111111101011110000 |
| 3 | 12212201111012021122210200 |
| 4 | 120022100300333223300 |
| 5 | 204200231222422440 |
| 6 | 3310420325555200 |
| 7 | 230644303221420 |
| oct | 30122060775360 |
| 9 | 5781435248720 |
| 10 | 1660286139120 |
| 11 | 59013a273064 |
| 12 | 229936575b00 |
| 13 | c0744a39ccb |
| 14 | 5a503186480 |
| 15 | 2d2c4008c30 |
| hex | 18290c3faf0 |
1660286139120 has 240 divisors, whose sum is σ = 6382676214720. Its totient is φ = 378878201856.
The previous prime is 1660286139107. The next prime is 1660286139139. The reversal of 1660286139120 is 219316820661.
1660286139120 is a `hidden beast` number, since 1 + 6 + 6 + 0 + 2 + 8 + 613 + 9 + 1 + 20 = 666.
It is a tau number, because it is divible by the number of its divisors (240).
It is a super-3 number, since 3×16602861391203 (a number of 38 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 2842726 + ... + 3376634.
It is an arithmetic number, because the mean of its divisors is an integer number (26594484228).
Almost surely, 21660286139120 is an apocalyptic number.
1660286139120 is a gapful number since it is divisible by the number (10) 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 1660286139120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3191338107360).
1660286139120 is an abundant number, since it is smaller than the sum of its proper divisors (4722390075600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1660286139120 is a wasteful number, since it uses less digits than its factorization.
1660286139120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 534552 (or 534543 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 45.
The spelling of 1660286139120 in words is "one trillion, six hundred sixty billion, two hundred eighty-six million, one hundred thirty-nine thousand, one hundred twenty".
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