Base | Representation |
---|---|
bin | 111101001001100000… |
… | …0100000011011011111 |
3 | 110112221121002121120120 |
4 | 1322103000200123133 |
5 | 4122413220334323 |
6 | 140154144450023 |
7 | 12326055334650 |
oct | 1722300403337 |
9 | 415847077516 |
10 | 131315402463 |
11 | 50766137503 |
12 | 21549319913 |
13 | c4c957339b |
14 | 64da079527 |
15 | 36385975e3 |
hex | 1e930206df |
131315402463 has 32 divisors (see below), whose sum is σ = 211907695104. Its totient is φ = 70610921472.
The previous prime is 131315402431. The next prime is 131315402479. The reversal of 131315402463 is 364204513131.
It is not a de Polignac number, because 131315402463 - 25 = 131315402431 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131315402363) 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, 2204356 + ... + 2263142.
It is an arithmetic number, because the mean of its divisors is an integer number (6622115472).
Almost surely, 2131315402463 is an apocalyptic number.
131315402463 is a deficient number, since it is larger than the sum of its proper divisors (80592292641).
131315402463 is a wasteful number, since it uses less digits than its factorization.
131315402463 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65071.
The product of its (nonzero) digits is 25920, while the sum is 33.
Adding to 131315402463 its reverse (364204513131), we get a palindrome (495519915594).
The spelling of 131315402463 in words is "one hundred thirty-one billion, three hundred fifteen million, four hundred two thousand, four hundred sixty-three".
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