Base | Representation |
---|---|
bin | 1000010010110111110… |
… | …1110100011011110100 |
3 | 111121211102111012100100 |
4 | 2010231331310123310 |
5 | 4313322301213134 |
6 | 145244350514100 |
7 | 13203260241615 |
oct | 2045575643364 |
9 | 447742435310 |
10 | 142505101044 |
11 | 55488461689 |
12 | 23750805930 |
13 | 105908891c7 |
14 | 6c7c209c0c |
15 | 3a90b08999 |
hex | 212df746f4 |
142505101044 has 72 divisors (see below), whose sum is σ = 379249022880. Its totient is φ = 44993448000.
The previous prime is 142505101009. The next prime is 142505101127. The reversal of 142505101044 is 440101505241.
142505101044 is a `hidden beast` number, since 1 + 42 + 5 + 0 + 510 + 104 + 4 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 142505100999 and 142505101017.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4567939 + ... + 4599029.
It is an arithmetic number, because the mean of its divisors is an integer number (5267347540).
Almost surely, 2142505101044 is an apocalyptic number.
It is an amenable number.
142505101044 is an abundant number, since it is smaller than the sum of its proper divisors (236743921836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142505101044 is a wasteful number, since it uses less digits than its factorization.
142505101044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37821 (or 37816 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 27.
Adding to 142505101044 its reverse (440101505241), we get a palindrome (582606606285).
The spelling of 142505101044 in words is "one hundred forty-two billion, five hundred five million, one hundred one thousand, forty-four".
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