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2212750125 = 32531966889
BaseRepresentation
bin1000001111100011…
…1110001100101101
312201012200100112100
42003320332030231
514012431001000
61003322525313
7105556031355
oct20370761455
95635610470
102212750125
11a36048a13
12519066839
13293576c01
1416dc39b65
15ce3d9a00
hex83e3e32d

2212750125 has 24 divisors (see below), whose sum is σ = 3988852920. Its totient is φ = 1180132800.

The previous prime is 2212750097. The next prime is 2212750193. The reversal of 2212750125 is 5210572122.

It can be written as a sum of positive squares in 4 ways, for example, as 32046921 + 2180703204 = 5661^2 + 46698^2 .

It is not a de Polignac number, because 2212750125 - 25 = 2212750093 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 982320 + ... + 984569.

It is an arithmetic number, because the mean of its divisors is an integer number (166202205).

Almost surely, 22212750125 is an apocalyptic number.

2212750125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2212750125 is a deficient number, since it is larger than the sum of its proper divisors (1776102795).

2212750125 is a wasteful number, since it uses less digits than its factorization.

2212750125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966910 (or 1966897 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 2212750125 is about 47039.8780291786. The cubic root of 2212750125 is about 1303.0991394554.

The spelling of 2212750125 in words is "two billion, two hundred twelve million, seven hundred fifty thousand, one hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 125 225 375 1125 1966889 5900667 9834445 17702001 29503335 49172225 88510005 147516675 245861125 442550025 737583375 2212750125