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2485207771 = 19612144269
BaseRepresentation
bin1001010000100001…
…0100001011011011
320102012100122011021
42110020110023123
520042203122041
61050334343311
7115404626464
oct22410241333
96365318137
102485207771
111065920422
1259435ab37
13307b50557
141980bdd6b
15e82a7cd1
hex942142db

2485207771 has 8 divisors (see below), whose sum is σ = 2658894800. Its totient is φ = 2315809440.

The previous prime is 2485207763. The next prime is 2485207807. The reversal of 2485207771 is 1777025842.

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 2485207771 - 23 = 2485207763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2485207871) 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 in 7 ways as a sum of consecutive naturals, for example, 1070976 + ... + 1073293.

It is an arithmetic number, because the mean of its divisors is an integer number (332361850).

Almost surely, 22485207771 is an apocalyptic number.

2485207771 is a deficient number, since it is larger than the sum of its proper divisors (173687029).

2485207771 is a wasteful number, since it uses less digits than its factorization.

2485207771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144349.

The product of its (nonzero) digits is 219520, while the sum is 43.

The square root of 2485207771 is about 49851.8582502197. The cubic root of 2485207771 is about 1354.5266922589.

The spelling of 2485207771 in words is "two billion, four hundred eighty-five million, two hundred seven thousand, seven hundred seventy-one".

Divisors: 1 19 61 1159 2144269 40741111 130800409 2485207771