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2049118868 = 221735983939
BaseRepresentation
bin111101000100011…
…0001001010010100
312021210210000122102
41322020301022110
513144033300433
6535155421232
7101531136326
oct17210611224
95253700572
102049118868
11961746375
124922b4818
132686b4694
14156203616
15bed664e8
hex7a231294

2049118868 has 24 divisors (see below), whose sum is σ = 3807518400. Its totient is φ = 961593728.

The previous prime is 2049118847. The next prime is 2049118909. The reversal of 2049118868 is 8688119402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 17558 + ... + 66381.

It is an arithmetic number, because the mean of its divisors is an integer number (158646600).

Almost surely, 22049118868 is an apocalyptic number.

It is an amenable number.

2049118868 is a deficient number, since it is larger than the sum of its proper divisors (1758399532).

2049118868 is a wasteful number, since it uses less digits than its factorization.

2049118868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84319 (or 84317 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 47.

The square root of 2049118868 is about 45267.1941697296. The cubic root of 2049118868 is about 1270.1520614833.

The spelling of 2049118868 in words is "two billion, forty-nine million, one hundred eighteen thousand, eight hundred sixty-eight".

Divisors: 1 2 4 17 34 68 359 718 1436 6103 12206 24412 83939 167878 335756 1426963 2853926 5707852 30134101 60268202 120536404 512279717 1024559434 2049118868