Base | Representation |
---|---|
bin | 11101010101101110… |
… | …110110001100100001 |
3 | 10000022111200001120120 |
4 | 131111232312030201 |
5 | 1004004244140131 |
6 | 22250005030453 |
7 | 2163451026306 |
oct | 352556661441 |
9 | 100274601516 |
10 | 31503115041 |
11 | 123a6761672 |
12 | 61323b5429 |
13 | 2c80908198 |
14 | 174bd1d0ad |
15 | c45a8b496 |
hex | 755bb6321 |
31503115041 has 8 divisors (see below), whose sum is σ = 42796684800. Its totient is φ = 20605810992.
The previous prime is 31503115001. The next prime is 31503115067. The reversal of 31503115041 is 14051130513.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31503115041 - 27 = 31503114913 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (31503115001) 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, 99066241 + ... + 99066558.
It is an arithmetic number, because the mean of its divisors is an integer number (5349585600).
Almost surely, 231503115041 is an apocalyptic number.
It is an amenable number.
31503115041 is a deficient number, since it is larger than the sum of its proper divisors (11293569759).
31503115041 is a wasteful number, since it uses less digits than its factorization.
31503115041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 198132855.
The product of its (nonzero) digits is 900, while the sum is 24.
Adding to 31503115041 its reverse (14051130513), we get a palindrome (45554245554).
The spelling of 31503115041 in words is "thirty-one billion, five hundred three million, one hundred fifteen thousand, forty-one".
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