Base | Representation |
---|---|
bin | 100000011101110011000011… |
… | …111001000101000001100000 |
3 | 200201120010111122110222101010 |
4 | 200131303003321011001200 |
5 | 122203343021400330003 |
6 | 1223402334505340520 |
7 | 42034613564554020 |
oct | 4035630371050140 |
9 | 621503448428333 |
10 | 142785179308128 |
11 | 4154a944354645 |
12 | 14020883797740 |
13 | 618977a596376 |
14 | 2738ba7a35a80 |
15 | 11792845b5003 |
hex | 81dcc3e45060 |
142785179308128 has 96 divisors (see below), whose sum is σ = 428376619077120. Its totient is φ = 40793757788160.
The previous prime is 142785179308117. The next prime is 142785179308147. The reversal of 142785179308128 is 821803971587241.
It is a tau number, because it is divible by the number of its divisors (96).
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 15 ways as a sum of consecutive naturals, for example, 8462968 + ... + 18899528.
It is an arithmetic number, because the mean of its divisors is an integer number (4462256448720).
Almost surely, 2142785179308128 is an apocalyptic number.
It is an amenable number.
142785179308128 is an abundant number, since it is smaller than the sum of its proper divisors (285591439768992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142785179308128 is a wasteful number, since it uses less digits than its factorization.
142785179308128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10456940 (or 10456932 counting only the distinct ones).
The product of its (nonzero) digits is 54190080, while the sum is 66.
The spelling of 142785179308128 in words is "one hundred forty-two trillion, seven hundred eighty-five billion, one hundred seventy-nine million, three hundred eight thousand, one hundred twenty-eight".
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