Base | Representation |
---|---|
bin | 11101001111110101… |
… | …000001100010000001 |
3 | 10000001121022002202021 |
4 | 131033311001202001 |
5 | 1003303420233131 |
6 | 22232110121441 |
7 | 2161136125300 |
oct | 351765014201 |
9 | 100047262667 |
10 | 31404071041 |
11 | 12355863422 |
12 | 61051b0281 |
13 | 2c6623a875 |
14 | 173cada437 |
15 | c3c024e11 |
hex | 74fd41881 |
31404071041 has 12 divisors (see below), whose sum is σ = 36595501380. Its totient is φ = 26870444160.
The previous prime is 31404070937. The next prime is 31404071047. The reversal of 31404071041 is 14017040413.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 7748400625 + 23655670416 = 88025^2 + 153804^2 .
It is not a de Polignac number, because 31404071041 - 229 = 30867200129 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31404070997 and 31404071015.
It is not an unprimeable number, because it can be changed into a prime (31404071047) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 535300 + ... + 591061.
It is an arithmetic number, because the mean of its divisors is an integer number (3049625115).
Almost surely, 231404071041 is an apocalyptic number.
It is an amenable number.
31404071041 is a deficient number, since it is larger than the sum of its proper divisors (5191430339).
31404071041 is a wasteful number, since it uses less digits than its factorization.
31404071041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1126944 (or 1126937 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 25.
The spelling of 31404071041 in words is "thirty-one billion, four hundred four million, seventy-one thousand, forty-one".
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