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2043212188 = 221307390821
BaseRepresentation
bin111100111001000…
…1111000110011100
312021101122221012111
41321302033012130
513141030242223
6534425043404
7101430005563
oct17162170634
95241587174
102043212188
11959381616
12490326564
132673c6cc4
14155506bda
15be59b30d
hex79c8f19c

2043212188 has 12 divisors (see below), whose sum is σ = 3578366232. Its totient is φ = 1020821840.

The previous prime is 2043212069. The next prime is 2043212189. The reversal of 2043212188 is 8812123402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043212189) 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, 190183 + ... + 200638.

It is an arithmetic number, because the mean of its divisors is an integer number (298197186).

Almost surely, 22043212188 is an apocalyptic number.

It is an amenable number.

2043212188 is a deficient number, since it is larger than the sum of its proper divisors (1535154044).

2043212188 is a wasteful number, since it uses less digits than its factorization.

2043212188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392132 (or 392130 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 2043212188 is about 45201.9046943821. The cubic root of 2043212188 is about 1268.9304629194.

The spelling of 2043212188 in words is "two billion, forty-three million, two hundred twelve thousand, one hundred eighty-eight".

Divisors: 1 2 4 1307 2614 5228 390821 781642 1563284 510803047 1021606094 2043212188