Base | Representation |
---|---|
bin | 1000010010110111110… |
… | …0010100010000110001 |
3 | 111121211101202011222121 |
4 | 2010231330110100301 |
5 | 4313322201111441 |
6 | 145244334234241 |
7 | 13203254011300 |
oct | 2045574242061 |
9 | 447741664877 |
10 | 142504707121 |
11 | 55488212727 |
12 | 23750655981 |
13 | 1059077bb0a |
14 | 6c7c146437 |
15 | 3a90a7bdd1 |
hex | 212df14431 |
142504707121 has 24 divisors (see below), whose sum is σ = 170955074880. Its totient is φ = 118385215200.
The previous prime is 142504707091. The next prime is 142504707143. The reversal of 142504707121 is 121707405241.
It is not a de Polignac number, because 142504707121 - 223 = 142496318513 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142504707181) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141870 + ... + 552391.
It is an arithmetic number, because the mean of its divisors is an integer number (7123128120).
Almost surely, 2142504707121 is an apocalyptic number.
It is an amenable number.
142504707121 is a deficient number, since it is larger than the sum of its proper divisors (28450367759).
142504707121 is an equidigital number, since it uses as much as digits as its factorization.
142504707121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 694405 (or 694398 counting only the distinct ones).
The product of its (nonzero) digits is 15680, while the sum is 34.
The spelling of 142504707121 in words is "one hundred forty-two billion, five hundred four million, seven hundred seven thousand, one hundred twenty-one".
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