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2047835081 = 17324149117
BaseRepresentation
bin111101000001111…
…0111101111001001
312021201100210121202
41322003313233021
513143221210311
6535112113545
7101514211445
oct17203675711
95251323552
102047835081
11960a49896
124919958b5
13268355246
14155d8b825
15bebb0e3b
hex7a0f7bc9

2047835081 has 8 divisors (see below), whose sum is σ = 2068260744. Its totient is φ = 2027508480.

The previous prime is 2047835063. The next prime is 2047835093. The reversal of 2047835081 is 1805387402.

It can be written as a sum of positive squares in 4 ways, for example, as 1456567225 + 591267856 = 38165^2 + 24316^2 .

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 2047835081 - 210 = 2047834057 is a prime.

It is a super-2 number, since 2×20478350812 = 8387257037948553122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2047835681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17135 + ... + 66251.

It is an arithmetic number, because the mean of its divisors is an integer number (258532593).

Almost surely, 22047835081 is an apocalyptic number.

It is an amenable number.

2047835081 is a deficient number, since it is larger than the sum of its proper divisors (20425663).

2047835081 is a wasteful number, since it uses less digits than its factorization.

2047835081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49531.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 2047835081 is about 45253.0118445170. The cubic root of 2047835081 is about 1269.8867530822.

The spelling of 2047835081 in words is "two billion, forty-seven million, eight hundred thirty-five thousand, eighty-one".

Divisors: 1 173 241 41693 49117 8497241 11837197 2047835081