Base | Representation |
---|---|
bin | 111101011100110011… |
… | …1100000011110100001 |
3 | 110121121201222010112021 |
4 | 1322321213200132201 |
5 | 4130230032113411 |
6 | 140342324301441 |
7 | 12351112233205 |
oct | 1727147403641 |
9 | 417551863467 |
10 | 131963160481 |
11 | 50a68844709 |
12 | 216aa241881 |
13 | c5a0820a59 |
14 | 655c0d4b05 |
15 | 367539aa71 |
hex | 1eb99e07a1 |
131963160481 has 6 divisors (see below), whose sum is σ = 139274139282. Its totient is φ = 125017730640.
The previous prime is 131963160449. The next prime is 131963160607. The reversal of 131963160481 is 184061369131.
It can be written as a sum of positive squares in only one way, i.e., 116185539600 + 15777620881 = 340860^2 + 125609^2 .
It is not a de Polignac number, because 131963160481 - 25 = 131963160449 is a prime.
It is a super-2 number, since 2×1319631604812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131963160431) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182774100 + ... + 182774821.
It is an arithmetic number, because the mean of its divisors is an integer number (23212356547).
Almost surely, 2131963160481 is an apocalyptic number.
It is an amenable number.
131963160481 is a deficient number, since it is larger than the sum of its proper divisors (7310978801).
131963160481 is an equidigital number, since it uses as much as digits as its factorization.
131963160481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 365548959 (or 365548940 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 43.
The spelling of 131963160481 in words is "one hundred thirty-one billion, nine hundred sixty-three million, one hundred sixty thousand, four hundred eighty-one".
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