Base | Representation |
---|---|
bin | 10011100010001111110… |
… | …011011110001111000111 |
3 | 11202100002010021100210000 |
4 | 103202033303132033013 |
5 | 133443310230301211 |
6 | 2504413132132343 |
7 | 165662655251463 |
oct | 23421763361707 |
9 | 4670063240700 |
10 | 1342442431431 |
11 | 478365834102 |
12 | 1982113070b3 |
13 | 997901a0aaa |
14 | 48d9029d4a3 |
15 | 24dc0065656 |
hex | 1388fcde3c7 |
1342442431431 has 20 divisors (see below), whose sum is σ = 2005410235752. Its totient is φ = 894946773168.
The previous prime is 1342442431417. The next prime is 1342442431439. The reversal of 1342442431431 is 1341342442431.
1342442431431 is a `hidden beast` number, since 1 + 34 + 2 + 442 + 43 + 143 + 1 = 666.
It is not a de Polignac number, because 1342442431431 - 214 = 1342442415047 is a prime.
It is a super-2 number, since 2×13424424314312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1342442431439) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7135336 + ... + 7321058.
Almost surely, 21342442431431 is an apocalyptic number.
1342442431431 is a deficient number, since it is larger than the sum of its proper divisors (662967804321).
1342442431431 is an equidigital number, since it uses as much as digits as its factorization.
1342442431431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 274972 (or 274963 counting only the distinct ones).
The product of its digits is 110592, while the sum is 36.
Adding to 1342442431431 its reverse (1341342442431), we get a palindrome (2683784873862).
The spelling of 1342442431431 in words is "one trillion, three hundred forty-two billion, four hundred forty-two million, four hundred thirty-one thousand, four hundred thirty-one".
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