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2148369873 = 31355086407
BaseRepresentation
bin1000000000001101…
…1000010111010001
312112201112111102120
42000003120113101
513344440313443
6553103004453
7104144562006
oct20003302721
95481474376
102148369873
11a027760a1
124bb599729
132831252a0
1416547b8ad
15c891e083
hex800d85d1

2148369873 has 8 divisors (see below), whose sum is σ = 3084838848. Its totient is φ = 1322073744.

The previous prime is 2148369857. The next prime is 2148369959. The reversal of 2148369873 is 3789638412.

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

It is not a de Polignac number, because 2148369873 - 24 = 2148369857 is a prime.

It is a super-2 number, since 2×21483698732 = 9230986222428072258, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2148369823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27543165 + ... + 27543242.

It is an arithmetic number, because the mean of its divisors is an integer number (385604856).

Almost surely, 22148369873 is an apocalyptic number.

It is an amenable number.

2148369873 is a deficient number, since it is larger than the sum of its proper divisors (936468975).

2148369873 is a wasteful number, since it uses less digits than its factorization.

2148369873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55086423.

The product of its digits is 1741824, while the sum is 51.

The square root of 2148369873 is about 46350.5110327815. The cubic root of 2148369873 is about 1290.3366052679.

The spelling of 2148369873 in words is "two billion, one hundred forty-eight million, three hundred sixty-nine thousand, eight hundred seventy-three".

Divisors: 1 3 13 39 55086407 165259221 716123291 2148369873