Base | Representation |
---|---|
bin | 1000010010000111001… |
… | …1010100101100101101 |
3 | 111121022012110221221001 |
4 | 2010201303110230231 |
5 | 4312413030214041 |
6 | 145212220440301 |
7 | 13165231511143 |
oct | 2044163245455 |
9 | 447265427831 |
10 | 142301023021 |
11 | 55393243863 |
12 | 236b43a9091 |
13 | 1055a504991 |
14 | 6c5d085593 |
15 | 3a7cc46131 |
hex | 2121cd4b2d |
142301023021 has 8 divisors (see below), whose sum is σ = 152079819840. Its totient is φ = 132678687168.
The previous prime is 142301022991. The next prime is 142301023043. The reversal of 142301023021 is 120320103241.
It is a happy number.
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 142301023021 - 25 = 142301022989 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 142301023021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142301027021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39113361 + ... + 39116998.
It is an arithmetic number, because the mean of its divisors is an integer number (19009977480).
Almost surely, 2142301023021 is an apocalyptic number.
It is an amenable number.
142301023021 is a deficient number, since it is larger than the sum of its proper divisors (9778796819).
142301023021 is a wasteful number, since it uses less digits than its factorization.
142301023021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78230483.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 142301023021 its reverse (120320103241), we get a palindrome (262621126262).
The spelling of 142301023021 in words is "one hundred forty-two billion, three hundred one million, twenty-three thousand, twenty-one".
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