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201112987 is a prime number
BaseRepresentation
bin10111111110010…
…11110110011011
3112000102121011011
423333023312123
5402441103422
631542314351
74661301145
oct1377136633
9460377134
10201112987
11a3583189
12574289b7
1332886a8a
141c9d1c95
15129c9077
hexbfcbd9b

201112987 has 2 divisors, whose sum is σ = 201112988. Its totient is φ = 201112986.

The previous prime is 201112973. The next prime is 201112991. The reversal of 201112987 is 789211102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201112987 - 211 = 201110939 is a prime.

It is a super-4 number, since 4×2011129874 (a number of 34 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (201112927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100556493 + 100556494.

It is an arithmetic number, because the mean of its divisors is an integer number (100556494).

Almost surely, 2201112987 is an apocalyptic number.

201112987 is a deficient number, since it is larger than the sum of its proper divisors (1).

201112987 is an equidigital number, since it uses as much as digits as its factorization.

201112987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 201112987 is about 14181.4310631896. The cubic root of 201112987 is about 585.8863394743.

The spelling of 201112987 in words is "two hundred one million, one hundred twelve thousand, nine hundred eighty-seven".