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201125007 = 32371573847
BaseRepresentation
bin10111111110011…
…10110010001111
3112000110012122100
423333032302033
5402442000012
631542450143
74661351166
oct1377166217
9460405570
10201125007
11a3591216
1257433953
133288c3a5
141c9d63dd
15129cc8dc
hexbfcec8f

201125007 has 24 divisors (see below), whose sum is σ = 300344096. Its totient is φ = 129594816.

The previous prime is 201124997. The next prime is 201125009. The reversal of 201125007 is 700521102.

It is not a de Polignac number, because 201125007 - 27 = 201124879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201125009) 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 23 ways as a sum of consecutive naturals, for example, 50358 + ... + 54204.

Almost surely, 2201125007 is an apocalyptic number.

201125007 is a deficient number, since it is larger than the sum of its proper divisors (99219089).

201125007 is a wasteful number, since it uses less digits than its factorization.

201125007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047 (or 4044 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 201125007 is about 14181.8548504771. The cubic root of 201125007 is about 585.8980115425.

Adding to 201125007 its reverse (700521102), we get a palindrome (901646109).

The spelling of 201125007 in words is "two hundred one million, one hundred twenty-five thousand, seven".

Divisors: 1 3 9 37 111 157 333 471 1413 3847 5809 11541 17427 34623 52281 142339 427017 603979 1281051 1811937 5435811 22347223 67041669 201125007