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2073649885 = 51724395881
BaseRepresentation
bin111101110011001…
…0110001011011101
312100111221022212121
41323212112023131
513221323244020
6541433302541
7102246506326
oct17346261335
95314838777
102073649885
1197458093a
1249a564a51
132707c3288
1415958b44d
15c20aebaa
hex7b9962dd

2073649885 has 8 divisors (see below), whose sum is σ = 2634755256. Its totient is φ = 1561336320.

The previous prime is 2073649871. The next prime is 2073649891. The reversal of 2073649885 is 5889463702.

It can be written as a sum of positive squares in 4 ways, for example, as 518609529 + 1555040356 = 22773^2 + 39434^2 .

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

It is not a de Polignac number, because 2073649885 - 27 = 2073649757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 12197856 + ... + 12198025.

It is an arithmetic number, because the mean of its divisors is an integer number (329344407).

Almost surely, 22073649885 is an apocalyptic number.

It is an amenable number.

2073649885 is a deficient number, since it is larger than the sum of its proper divisors (561105371).

2073649885 is a wasteful number, since it uses less digits than its factorization.

2073649885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24395903.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The square root of 2073649885 is about 45537.3460469536. The cubic root of 2073649885 is about 1275.2005087710.

The spelling of 2073649885 in words is "two billion, seventy-three million, six hundred forty-nine thousand, eight hundred eighty-five".

Divisors: 1 5 17 85 24395881 121979405 414729977 2073649885