| Base | Representation |
|---|---|
| bin | 1000010110110011101… |
| … | …0001101110010101100 |
| 3 | 111201120000120120022100 |
| 4 | 2011230322031302230 |
| 5 | 4323003121332230 |
| 6 | 145541233015100 |
| 7 | 13241402252046 |
| oct | 2055472156254 |
| 9 | 451500516270 |
| 10 | 143561120940 |
| 11 | 5597a567aa6 |
| 12 | 239a63b4490 |
| 13 | 106cb5ab853 |
| 14 | 6d3c57aa96 |
| 15 | 3b036a3660 |
| hex | 216ce8dcac |
143561120940 has 144 divisors (see below), whose sum is σ = 461515646592. Its totient is φ = 35997339648.
The previous prime is 143561120909. The next prime is 143561120953. The reversal of 143561120940 is 49021165341.
It is a happy number.
143561120940 is a `hidden beast` number, since 1 + 4 + 3 + 561 + 1 + 2 + 0 + 94 + 0 = 666.
143561120940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 = 143561120895 and 143561120904.
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, 3335437 + ... + 3378203.
It is an arithmetic number, because the mean of its divisors is an integer number (3204969768).
Almost surely, 2143561120940 is an apocalyptic number.
143561120940 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 143561120940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230757823296).
143561120940 is an abundant number, since it is smaller than the sum of its proper divisors (317954525652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143561120940 is a wasteful number, since it uses less digits than its factorization.
143561120940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43896 (or 43891 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The spelling of 143561120940 in words is "one hundred forty-three billion, five hundred sixty-one million, one hundred twenty thousand, nine hundred forty".
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