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4182168541 is a prime number
BaseRepresentation
bin1111100101000110…
…1101001111011101
3101210110111011201011
43321101231033131
532031113343131
61530554215221
7205431563125
oct37121551735
911713434634
104182168541
1118567a8141
12988724511
135185a4655
142b9613c85
1519725b0b1
hexf946d3dd

4182168541 has 2 divisors, whose sum is σ = 4182168542. Its totient is φ = 4182168540.

The previous prime is 4182168539. The next prime is 4182168563. The reversal of 4182168541 is 1458612814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3572572441 + 609596100 = 59771^2 + 24690^2 .

It is a cyclic number.

It is not a de Polignac number, because 4182168541 - 21 = 4182168539 is a prime.

Together with 4182168539, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4182168494 and 4182168503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4182162541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2091084270 + 2091084271.

It is an arithmetic number, because the mean of its divisors is an integer number (2091084271).

Almost surely, 24182168541 is an apocalyptic number.

It is an amenable number.

4182168541 is a deficient number, since it is larger than the sum of its proper divisors (1).

4182168541 is an equidigital number, since it uses as much as digits as its factorization.

4182168541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61440, while the sum is 40.

The square root of 4182168541 is about 64669.6879612079. The cubic root of 4182168541 is about 1611.1420906341.

The spelling of 4182168541 in words is "four billion, one hundred eighty-two million, one hundred sixty-eight thousand, five hundred forty-one".