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201255112 = 23171479817
BaseRepresentation
bin10111111111011…
…10100011001000
3112000200211010001
423333232203020
5403010130422
631545332344
74662432412
oct1377564310
9460624101
10201255112
11a366aa43
12574970b4
1332906686
141ca2b9b2
1512a06227
hexbfee8c8

201255112 has 16 divisors (see below), whose sum is σ = 399550860. Its totient is φ = 94708224.

The previous prime is 201255097. The next prime is 201255113. The reversal of 201255112 is 211552102.

It can be written as a sum of positive squares in 2 ways, for example, as 200902276 + 352836 = 14174^2 + 594^2 .

It is a super-2 number, since 2×2012551122 = 81007240212265088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201255112.

It is not an unprimeable number, because it can be changed into a prime (201255113) 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, 739773 + ... + 740044.

Almost surely, 2201255112 is an apocalyptic number.

It is an amenable number.

201255112 is a deficient number, since it is larger than the sum of its proper divisors (198295748).

201255112 is a wasteful number, since it uses less digits than its factorization.

201255112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479840 (or 1479836 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 201255112 is about 14186.4411322925. The cubic root of 201255112 is about 586.0243207649.

The spelling of 201255112 in words is "two hundred one million, two hundred fifty-five thousand, one hundred twelve".

Divisors: 1 2 4 8 17 34 68 136 1479817 2959634 5919268 11838536 25156889 50313778 100627556 201255112