Base | Representation |
---|---|
bin | 1110010011001011110110… |
… | …00111011100011011100001 |
3 | 11010100011101102201012110000 |
4 | 13021211323013130123201 |
5 | 13110200411401414131 |
6 | 150513512321330213 |
7 | 6423602220245544 |
oct | 711457307343341 |
9 | 133304342635400 |
10 | 31445521123041 |
11 | a023a74988893 |
12 | 363a429496969 |
13 | 14713b8bc698c |
14 | 7a9d8551885b |
15 | 397e844b3ce6 |
hex | 1c997b1dc6e1 |
31445521123041 has 20 divisors (see below), whose sum is σ = 49016528903232. Its totient is φ = 20052216367128.
The previous prime is 31445521123039. The next prime is 31445521123117. The reversal of 31445521123041 is 14032112554413.
31445521123041 is a `hidden beast` number, since 3 + 1 + 4 + 4 + 5 + 521 + 123 + 0 + 4 + 1 = 666.
It is not a de Polignac number, because 31445521123041 - 21 = 31445521123039 is a prime.
It is a super-3 number, since 3×314455211230413 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 31445521122987 and 31445521123005.
It is not an unprimeable number, because it can be changed into a prime (31445521163041) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8439483141 + ... + 8439486866.
Almost surely, 231445521123041 is an apocalyptic number.
It is an amenable number.
31445521123041 is a deficient number, since it is larger than the sum of its proper divisors (17571007780191).
31445521123041 is a wasteful number, since it uses less digits than its factorization.
31445521123041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16878970042 (or 16878970033 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 36.
Adding to 31445521123041 its reverse (14032112554413), we get a palindrome (45477633677454).
The spelling of 31445521123041 in words is "thirty-one trillion, four hundred forty-five billion, five hundred twenty-one million, one hundred twenty-three thousand, forty-one".
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