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1648070117 = 1796945301
BaseRepresentation
bin110001000111011…
…1000110111100101
311020212010122011222
41202032320313211
511333401220432
6431311510125
755561236101
oct14216706745
94225118158
101648070117
11776324521
1239bb28345
13203596925
14118c48901
1599a47112
hex623b8de5

1648070117 has 4 divisors (see below), whose sum is σ = 1745015436. Its totient is φ = 1551124800.

The previous prime is 1648070107. The next prime is 1648070173. The reversal of 1648070117 is 7110708461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 569013316 + 1079056801 = 23854^2 + 32849^2 .

It is a cyclic number.

It is not a de Polignac number, because 1648070117 - 24 = 1648070101 is a prime.

It is a super-2 number, since 2×16480701172 = 5432270221096787378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648070107) 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 3 ways as a sum of consecutive naturals, for example, 48472634 + ... + 48472667.

It is an arithmetic number, because the mean of its divisors is an integer number (436253859).

Almost surely, 21648070117 is an apocalyptic number.

1648070117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1648070117 is a deficient number, since it is larger than the sum of its proper divisors (96945319).

1648070117 is an equidigital number, since it uses as much as digits as its factorization.

1648070117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96945318.

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 1648070117 is about 40596.4298553457. The cubic root of 1648070117 is about 1181.2048683820.

Adding to 1648070117 its reverse (7110708461), we get a palindrome (8758778578).

The spelling of 1648070117 in words is "one billion, six hundred forty-eight million, seventy thousand, one hundred seventeen".

Divisors: 1 17 96945301 1648070117