Base | Representation |
---|---|
bin | 1000010001101111101… |
… | …1001001100000001101 |
3 | 111121001022220221200202 |
4 | 2010123323021200031 |
5 | 4312212304123041 |
6 | 145154335103245 |
7 | 13162623356456 |
oct | 2043373114015 |
9 | 447038827622 |
10 | 142202411021 |
11 | 55342610140 |
12 | 23687371b25 |
13 | 10542c58b98 |
14 | 6c4dd3612d |
15 | 3a74267a9b |
hex | 211bec980d |
142202411021 has 8 divisors (see below), whose sum is σ = 155147504544. Its totient is φ = 129260251120.
The previous prime is 142202411003. The next prime is 142202411047. The reversal of 142202411021 is 120114202241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142202411021 - 210 = 142202409997 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 142202410984 and 142202411002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142202411521) 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, 631430 + ... + 826503.
It is an arithmetic number, because the mean of its divisors is an integer number (19393438068).
Almost surely, 2142202411021 is an apocalyptic number.
142202411021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
142202411021 is a deficient number, since it is larger than the sum of its proper divisors (12945093523).
142202411021 is a wasteful number, since it uses less digits than its factorization.
142202411021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1466811.
The product of its (nonzero) digits is 256, while the sum is 20.
Adding to 142202411021 its reverse (120114202241), we get a palindrome (262316613262).
The spelling of 142202411021 in words is "one hundred forty-two billion, two hundred two million, four hundred eleven thousand, twenty-one".
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