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141187481 is a prime number
BaseRepresentation
bin10000110101001…
…01100110011001
3100211200001210222
420122211212121
5242120444411
622002045425
73333034211
oct1032454631
9324601728
10141187481
1172773276
123b349875
13233349b6
1414a73241
15c5dd4db
hex86a5999

141187481 has 2 divisors, whose sum is σ = 141187482. Its totient is φ = 141187480.

The previous prime is 141187471. The next prime is 141187507. The reversal of 141187481 is 184781141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97693456 + 43494025 = 9884^2 + 6595^2 .

It is a cyclic number.

It is not a de Polignac number, because 141187481 - 210 = 141186457 is a prime.

It is a super-2 number, since 2×1411874812 = 39867809582250722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (141187441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70593740 + 70593741.

It is an arithmetic number, because the mean of its divisors is an integer number (70593741).

Almost surely, 2141187481 is an apocalyptic number.

It is an amenable number.

141187481 is a deficient number, since it is larger than the sum of its proper divisors (1).

141187481 is an equidigital number, since it uses as much as digits as its factorization.

141187481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7168, while the sum is 35.

The square root of 141187481 is about 11882.2338388032. The cubic root of 141187481 is about 520.7133712466.

The spelling of 141187481 in words is "one hundred forty-one million, one hundred eighty-seven thousand, four hundred eighty-one".