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2112020984 = 23351175193
BaseRepresentation
bin111110111100010…
…1110000111111000
312110012010210010102
41331320232013320
513311134132414
6545323534532
7103223611403
oct17570560770
95405123112
102112020984
119941a9697
124ab38a448
13278739578
141606d8d3a
15c563dede
hex7de2e1f8

2112020984 has 16 divisors (see below), whose sum is σ = 3961219920. Its totient is φ = 1055695680.

The previous prime is 2112020983. The next prime is 2112021001. The reversal of 2112020984 is 4890202112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112020983) 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 3 ways as a sum of consecutive naturals, for example, 9509 + ... + 65684.

It is an arithmetic number, because the mean of its divisors is an integer number (247576245).

Almost surely, 22112020984 is an apocalyptic number.

It is an amenable number.

2112020984 is a deficient number, since it is larger than the sum of its proper divisors (1849198936).

2112020984 is a wasteful number, since it uses less digits than its factorization.

2112020984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78710 (or 78706 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 2112020984 is about 45956.7294745829. The cubic root of 2112020984 is about 1283.0179811573.

The spelling of 2112020984 in words is "two billion, one hundred twelve million, twenty thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 3511 7022 14044 28088 75193 150386 300772 601544 264002623 528005246 1056010492 2112020984