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2505668147 = 61160725561
BaseRepresentation
bin1001010101011001…
…0111011000110011
320110121212010111222
42111112113120303
520112422340042
61052345055255
7116043553643
oct22526273063
96417763458
102505668147
111076425624
1259b18752b
1330c165398
1419aac8523
15e9e9a2d2
hex95597633

2505668147 has 8 divisors (see below), whose sum is σ = 2548429152. Its totient is φ = 2462961600.

The previous prime is 2505668141. The next prime is 2505668161. The reversal of 2505668147 is 7418665052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2505668147 - 216 = 2505602611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2505668098 and 2505668107.

It is not an unprimeable number, because it can be changed into a prime (2505668141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85247 + ... + 110807.

It is an arithmetic number, because the mean of its divisors is an integer number (318553644).

Almost surely, 22505668147 is an apocalyptic number.

2505668147 is a deficient number, since it is larger than the sum of its proper divisors (42761005).

2505668147 is a wasteful number, since it uses less digits than its factorization.

2505668147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27229.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 2505668147 is about 50056.6493784792. The cubic root of 2505668147 is about 1358.2337486236.

The spelling of 2505668147 in words is "two billion, five hundred five million, six hundred sixty-eight thousand, one hundred forty-seven".

Divisors: 1 61 1607 25561 98027 1559221 41076527 2505668147