Base | Representation |
---|---|
bin | 1110000111100000100100… |
… | …11000100011110100011001 |
3 | 11001220210211212200100000212 |
4 | 13003300102120203310121 |
5 | 13032112243000343140 |
6 | 150005322543140505 |
7 | 6352610326321502 |
oct | 703602230436431 |
9 | 131823755610025 |
10 | 31044332043545 |
11 | 9989911129467 |
12 | 3594723ba4735 |
13 | 1442611118a02 |
14 | 7947a7469ba9 |
15 | 38c8034da765 |
hex | 1c3c12623d19 |
31044332043545 has 8 divisors (see below), whose sum is σ = 38119551904896. Its totient is φ = 24257896666416.
The previous prime is 31044332043511. The next prime is 31044332043547. The reversal of 31044332043545 is 54534023344013.
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 31044332043545 - 26 = 31044332043481 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31044332043547) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72196120817 + ... + 72196121246.
It is an arithmetic number, because the mean of its divisors is an integer number (4764943988112).
Almost surely, 231044332043545 is an apocalyptic number.
It is an amenable number.
31044332043545 is a deficient number, since it is larger than the sum of its proper divisors (7075219861351).
31044332043545 is a wasteful number, since it uses less digits than its factorization.
31044332043545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144392242111.
The product of its (nonzero) digits is 1036800, while the sum is 41.
Adding to 31044332043545 its reverse (54534023344013), we get a palindrome (85578355387558).
The spelling of 31044332043545 in words is "thirty-one trillion, forty-four billion, three hundred thirty-two million, forty-three thousand, five hundred forty-five".
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