Base | Representation |
---|---|
bin | 1000010001111010101… |
… | …0010100011100000001 |
3 | 111121011112022221002001 |
4 | 2010132222110130001 |
5 | 4312311033043014 |
6 | 145203055224001 |
7 | 13164021602131 |
oct | 2043652243401 |
9 | 447145287061 |
10 | 142248331009 |
11 | 55366524544 |
12 | 2369a818001 |
13 | 1054c616185 |
14 | 6c5608aac1 |
15 | 3a782d8974 |
hex | 211ea94701 |
142248331009 has 8 divisors (see below), whose sum is σ = 147257734400. Its totient is φ = 137265224400.
The previous prime is 142248330941. The next prime is 142248331039. The reversal of 142248331009 is 900133842241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142248331009 - 219 = 142247806721 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142248331039) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6563187 + ... + 6584824.
It is an arithmetic number, because the mean of its divisors is an integer number (18407216800).
Almost surely, 2142248331009 is an apocalyptic number.
It is an amenable number.
142248331009 is a deficient number, since it is larger than the sum of its proper divisors (5009403391).
142248331009 is a wasteful number, since it uses less digits than its factorization.
142248331009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13148391.
The product of its (nonzero) digits is 41472, while the sum is 37.
The spelling of 142248331009 in words is "one hundred forty-two billion, two hundred forty-eight million, three hundred thirty-one thousand, nine".
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