Base | Representation |
---|---|
bin | 11101011011110111… |
… | …110101011010101011 |
3 | 10000120200111222121222 |
4 | 131123313311122223 |
5 | 1004212132300233 |
6 | 22304125052255 |
7 | 2166141465362 |
oct | 353367653253 |
9 | 100520458558 |
10 | 31606134443 |
11 | 12449925674 |
12 | 61609b708b |
13 | 2c99068100 |
14 | 175b8987d9 |
15 | c4eb3a898 |
hex | 75bdf56ab |
31606134443 has 36 divisors (see below), whose sum is σ = 36448435008. Its totient is φ = 27389007360.
The previous prime is 31606134419. The next prime is 31606134449. The reversal of 31606134443 is 34443160613.
It is not a de Polignac number, because 31606134443 - 26 = 31606134379 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31606134449) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31892678 + ... + 31893668.
It is an arithmetic number, because the mean of its divisors is an integer number (1012456528).
Almost surely, 231606134443 is an apocalyptic number.
31606134443 is a deficient number, since it is larger than the sum of its proper divisors (4842300565).
31606134443 is a wasteful number, since it uses less digits than its factorization.
31606134443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1704 (or 1674 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 35.
The spelling of 31606134443 in words is "thirty-one billion, six hundred six million, one hundred thirty-four thousand, four hundred forty-three".
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