Base | Representation |
---|---|
bin | 1000010010100001100… |
… | …1010011100011111011 |
3 | 111121120220122001012011 |
4 | 2010220121103203323 |
5 | 4313124340040011 |
6 | 145231211430351 |
7 | 13201043664562 |
oct | 2045031234373 |
9 | 447526561164 |
10 | 142411643131 |
11 | 5543a72933a |
12 | 237254553b7 |
13 | 105773c6374 |
14 | 6c6da3cbd9 |
15 | 3a877e7621 |
hex | 21286538fb |
142411643131 has 4 divisors (see below), whose sum is σ = 142605929872. Its totient is φ = 142217356392.
The previous prime is 142411643123. The next prime is 142411643159. The reversal of 142411643131 is 131346114241.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 142411643131 - 23 = 142411643123 is a prime.
It is a super-2 number, since 2×1424116431312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 142411643093 and 142411643102.
It is not an unprimeable number, because it can be changed into a prime (142411643431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97142271 + ... + 97143736.
It is an arithmetic number, because the mean of its divisors is an integer number (35651482468).
Almost surely, 2142411643131 is an apocalyptic number.
142411643131 is a deficient number, since it is larger than the sum of its proper divisors (194286741).
142411643131 is an equidigital number, since it uses as much as digits as its factorization.
142411643131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194286740.
The product of its digits is 6912, while the sum is 31.
Adding to 142411643131 its reverse (131346114241), we get a palindrome (273757757372).
The spelling of 142411643131 in words is "one hundred forty-two billion, four hundred eleven million, six hundred forty-three thousand, one hundred thirty-one".
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