Base | Representation |
---|---|
bin | 1110010011010100011000… |
… | …10101101111101110001001 |
3 | 11010100121012220011220220011 |
4 | 13021222030111233232021 |
5 | 13110234303343131131 |
6 | 150515551231031521 |
7 | 6424123631065204 |
oct | 711521425575611 |
9 | 133317186156804 |
10 | 31450105052041 |
11 | a025a07443565 |
12 | 363b2a866b5a1 |
13 | 14719697a7cc0 |
14 | 7aa29c23093b |
15 | 398151b300b1 |
hex | 1c9a8c56fb89 |
31450105052041 has 4 divisors (see below), whose sum is σ = 33869343902212. Its totient is φ = 29030866201872.
The previous prime is 31450105051999. The next prime is 31450105052209. The reversal of 31450105052041 is 14025050105413.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 10655556561225 + 20794548490816 = 3264285^2 + 4560104^2 .
It is a cyclic number.
It is not a de Polignac number, because 31450105052041 - 239 = 30900349238153 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31450105051994 and 31450105052012.
It is not an unprimeable number, because it can be changed into a prime (31450105059041) 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, 1209619425066 + ... + 1209619425091.
It is an arithmetic number, because the mean of its divisors is an integer number (8467335975553).
Almost surely, 231450105052041 is an apocalyptic number.
It is an amenable number.
31450105052041 is a deficient number, since it is larger than the sum of its proper divisors (2419238850171).
31450105052041 is a wasteful number, since it uses less digits than its factorization.
31450105052041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2419238850170.
The product of its (nonzero) digits is 12000, while the sum is 31.
Adding to 31450105052041 its reverse (14025050105413), we get a palindrome (45475155157454).
The spelling of 31450105052041 in words is "thirty-one trillion, four hundred fifty billion, one hundred five million, fifty-two thousand, forty-one".
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