Base | Representation |
---|---|
bin | 1110000110100110101100… |
… | …00001010011010001011110 |
3 | 11001210211122000212201000001 |
4 | 13003103112001103101132 |
5 | 13031110121130324210 |
6 | 145543143100324514 |
7 | 6350430234034126 |
oct | 703232601232136 |
9 | 131724560781001 |
10 | 31013254542430 |
11 | 9977713747946 |
12 | 358a6b024373a |
13 | 143c6ca74c8b4 |
14 | 793099c9bc86 |
15 | 38bad4ec203a |
hex | 1c34d605345e |
31013254542430 has 16 divisors (see below), whose sum is σ = 58250982445344. Its totient is φ = 11865940868320.
The previous prime is 31013254542409. The next prime is 31013254542437. The reversal of 31013254542430 is 3424545231013.
It is a self number, because there is not a number n which added to its sum of digits gives 31013254542430.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31013254542437) 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, 67420118341 + ... + 67420118800.
It is an arithmetic number, because the mean of its divisors is an integer number (3640686402834).
Almost surely, 231013254542430 is an apocalyptic number.
31013254542430 is a deficient number, since it is larger than the sum of its proper divisors (27237727902914).
31013254542430 is a wasteful number, since it uses less digits than its factorization.
31013254542430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134840237171.
The product of its (nonzero) digits is 172800, while the sum is 37.
Adding to 31013254542430 its reverse (3424545231013), we get a palindrome (34437799773443).
The spelling of 31013254542430 in words is "thirty-one trillion, thirteen billion, two hundred fifty-four million, five hundred forty-two thousand, four hundred thirty".
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