Base | Representation |
---|---|
bin | 11101110101110101100110… |
… | …001101010100100111010011 |
3 | 122012200201012110001211201210 |
4 | 131311311212031110213103 |
5 | 114200241211242312321 |
6 | 1143044114342031203 |
7 | 36433665433066605 |
oct | 3565654615244723 |
9 | 565621173054653 |
10 | 131243030432211 |
11 | 388aa9471a8995 |
12 | 12877941418503 |
13 | 583021aa005a9 |
14 | 245a2a753d175 |
15 | 1028debd21b76 |
hex | 775d663549d3 |
131243030432211 has 32 divisors (see below), whose sum is σ = 179154033343488. Its totient is φ = 85423080948480.
The previous prime is 131243030432203. The next prime is 131243030432231. The reversal of 131243030432211 is 112234030342131.
It is not a de Polignac number, because 131243030432211 - 23 = 131243030432203 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131243030432231) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108735021 + ... + 109935393.
It is an arithmetic number, because the mean of its divisors is an integer number (5598563541984).
Almost surely, 2131243030432211 is an apocalyptic number.
131243030432211 is a deficient number, since it is larger than the sum of its proper divisors (47911002911277).
131243030432211 is a wasteful number, since it uses less digits than its factorization.
131243030432211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1202331.
The product of its (nonzero) digits is 10368, while the sum is 30.
Adding to 131243030432211 its reverse (112234030342131), we get a palindrome (243477060774342).
The spelling of 131243030432211 in words is "one hundred thirty-one trillion, two hundred forty-three billion, thirty million, four hundred thirty-two thousand, two hundred eleven".
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