| Base | Representation |
|---|---|
| bin | 11111011110011101000… |
| … | …01011100110100000000 |
| 3 | 10211101112201012001202000 |
| 4 | 33233032201130310000 |
| 5 | 120204403411312220 |
| 6 | 2144500210024000 |
| 7 | 141064422326160 |
| oct | 17571641346400 |
| 9 | 3741481161660 |
| 10 | 1081501666560 |
| 11 | 387731550317 |
| 12 | 155728878000 |
| 13 | 7aca6557343 |
| 14 | 3a4b87da5a0 |
| 15 | 1d1eb9ad390 |
| hex | fbce85cd00 |
1081501666560 has 576 divisors, whose sum is σ = 4411613928960. Its totient is φ = 245761966080.
The previous prime is 1081501666559. The next prime is 1081501666561. The reversal of 1081501666560 is 656661051801.
1081501666560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (1081501666559) and next prime (1081501666561).
It is a tau number, because it is divible by the number of its divisors (576).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1081501666561) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41839240 + ... + 41865080.
It is an arithmetic number, because the mean of its divisors is an integer number (7659051960).
Almost surely, 21081501666560 is an apocalyptic number.
1081501666560 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 1081501666560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2205806964480).
1081501666560 is an abundant number, since it is smaller than the sum of its proper divisors (3330112262400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1081501666560 is a wasteful number, since it uses less digits than its factorization.
1081501666560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26051 (or 26031 counting only the distinct ones).
The product of its (nonzero) digits is 259200, while the sum is 45.
The spelling of 1081501666560 in words is "one trillion, eighty-one billion, five hundred one million, six hundred sixty-six thousand, five hundred sixty".
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