| Base | Representation |
|---|---|
| bin | 11111011111010100001… |
| … | …10100001001110100000 |
| 3 | 10211102201221211202220000 |
| 4 | 33233222012201032200 |
| 5 | 120211330334300200 |
| 6 | 2145014135220000 |
| 7 | 141112041251250 |
| oct | 17575206411640 |
| 9 | 3742657752800 |
| 10 | 1081964368800 |
| 11 | 387949752367 |
| 12 | 155837817600 |
| 13 | 7b04b380853 |
| 14 | 3a520043960 |
| 15 | 1d22740a300 |
| hex | fbea1a13a0 |
1081964368800 has 720 divisors, whose sum is σ = 4583428641792. Its totient is φ = 243245721600.
The previous prime is 1081964368799. The next prime is 1081964368801. The reversal of 1081964368800 is 88634691801.
1081964368800 is a `hidden beast` number, since 10 + 8 + 196 + 4 + 368 + 80 + 0 = 666.
1081964368800 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 (1081964368799) and next prime (1081964368801).
It is a tau number, because it is divible by the number of its divisors (720).
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 (1081964368801) by changing a digit.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 27650049 + ... + 27689151.
Almost surely, 21081964368800 is an apocalyptic number.
1081964368800 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 1081964368800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2291714320896).
1081964368800 is an abundant number, since it is smaller than the sum of its proper divisors (3501464272992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1081964368800 is a wasteful number, since it uses less digits than its factorization.
1081964368800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39203 (or 39181 counting only the distinct ones).
The product of its (nonzero) digits is 1990656, while the sum is 54.
The spelling of 1081964368800 in words is "one trillion, eighty-one billion, nine hundred sixty-four million, three hundred sixty-eight thousand, eight hundred".
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