Base | Representation |
---|---|
bin | 1110001101101001010111… |
… | …10000110110101001101011 |
3 | 11002122222011102002110111220 |
4 | 13012310223300312221223 |
5 | 13044041133034140133 |
6 | 150250240144153123 |
7 | 6404054162032530 |
oct | 706645360665153 |
9 | 132588142073456 |
10 | 31255211240043 |
11 | 9a60295a17a4a |
12 | 36095770087a3 |
13 | 145947a31695b |
14 | 7a0a90372d87 |
15 | 393046ada5b3 |
hex | 1c6d2bc36a6b |
31255211240043 has 256 divisors, whose sum is σ = 52839972864000. Its totient is φ = 16040693979648.
The previous prime is 31255211240039. The next prime is 31255211240069. The reversal of 31255211240043 is 34004211255213.
It is not a de Polignac number, because 31255211240043 - 22 = 31255211240039 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31255211239986 and 31255211240013.
It is not an unprimeable number, because it can be changed into a prime (31255211240083) by changing a digit.
It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 19305256288 + ... + 19305257906.
It is an arithmetic number, because the mean of its divisors is an integer number (206406144000).
Almost surely, 231255211240043 is an apocalyptic number.
31255211240043 is a deficient number, since it is larger than the sum of its proper divisors (21584761623957).
31255211240043 is a wasteful number, since it uses less digits than its factorization.
31255211240043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2014.
The product of its (nonzero) digits is 28800, while the sum is 33.
Adding to 31255211240043 its reverse (34004211255213), we get a palindrome (65259422495256).
The spelling of 31255211240043 in words is "thirty-one trillion, two hundred fifty-five billion, two hundred eleven million, two hundred forty thousand, forty-three".
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