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2005542151 is a prime number
BaseRepresentation
bin111011110001010…
…0010010100000111
312011202210002121221
41313202202110013
513101404322101
6531001421211
7100461553444
oct16742422407
95152702557
102005542151
1193a092558
1247b79a807
1325c667b42
141504dc9cb
15bb109aa1
hex778a2507

2005542151 has 2 divisors, whose sum is σ = 2005542152. Its totient is φ = 2005542150.

The previous prime is 2005542137. The next prime is 2005542181. The reversal of 2005542151 is 1512455002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2005542151 - 27 = 2005542023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2005542181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002771075 + 1002771076.

It is an arithmetic number, because the mean of its divisors is an integer number (1002771076).

Almost surely, 22005542151 is an apocalyptic number.

2005542151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005542151 is an equidigital number, since it uses as much as digits as its factorization.

2005542151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 2005542151 is about 44783.2798151274. The cubic root of 2005542151 is about 1261.0837553582.

Adding to 2005542151 its reverse (1512455002), we get a palindrome (3517997153).

The spelling of 2005542151 in words is "two billion, five million, five hundred forty-two thousand, one hundred fifty-one".