Base | Representation |
---|---|
bin | 11101011000000011… |
… | …101110100101101101 |
3 | 10000102020002220100011 |
4 | 131120003232211231 |
5 | 1004044242041331 |
6 | 22253521333221 |
7 | 2164433536402 |
oct | 353003564555 |
9 | 100366086304 |
10 | 31542143341 |
11 | 12416799165 |
12 | 6143497211 |
13 | 2c88a21657 |
14 | 175319c2a9 |
15 | c491ea3b1 |
hex | 7580ee96d |
31542143341 has 8 divisors (see below), whose sum is σ = 32228791200. Its totient is φ = 30860563440.
The previous prime is 31542143299. The next prime is 31542143377. The reversal of 31542143341 is 14334124513.
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 31542143341 - 29 = 31542142829 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31542143041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1254406 + ... + 1279303.
It is an arithmetic number, because the mean of its divisors is an integer number (4028598900).
Almost surely, 231542143341 is an apocalyptic number.
It is an amenable number.
31542143341 is a deficient number, since it is larger than the sum of its proper divisors (686647859).
31542143341 is a wasteful number, since it uses less digits than its factorization.
31542143341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2533979.
The product of its digits is 17280, while the sum is 31.
Adding to 31542143341 its reverse (14334124513), we get a palindrome (45876267854).
The spelling of 31542143341 in words is "thirty-one billion, five hundred forty-two million, one hundred forty-three thousand, three hundred forty-one".
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