Base | Representation |
---|---|
bin | 1000010010000111000… |
… | …1110000011001111101 |
3 | 111121022011201002102020 |
4 | 2010201301300121331 |
5 | 4312412424042341 |
6 | 145212203550353 |
7 | 13165225150365 |
oct | 2044161603175 |
9 | 447264632366 |
10 | 142300612221 |
11 | 55392a93159 |
12 | 236b422b3b9 |
13 | 1055a3bc9c1 |
14 | 6c5cdb99a5 |
15 | 3a7cbb4566 |
hex | 2121c7067d |
142300612221 has 8 divisors (see below), whose sum is σ = 189738847680. Its totient is φ = 94864725792.
The previous prime is 142300612219. The next prime is 142300612231. The reversal of 142300612221 is 122216003241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142300612221 - 21 = 142300612219 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 142300612191 and 142300612200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142300612231) 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, 440680 + ... + 691953.
It is an arithmetic number, because the mean of its divisors is an integer number (23717355960).
Almost surely, 2142300612221 is an apocalyptic number.
It is an amenable number.
142300612221 is a deficient number, since it is larger than the sum of its proper divisors (47438235459).
142300612221 is a wasteful number, since it uses less digits than its factorization.
142300612221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1174515.
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 142300612221 its reverse (122216003241), we get a palindrome (264516615462).
The spelling of 142300612221 in words is "one hundred forty-two billion, three hundred million, six hundred twelve thousand, two hundred twenty-one".
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