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105012027 = 3253220151
BaseRepresentation
bin1100100001001…
…01101100111011
321022121011102100
412100211230323
5203340341102
614230434443
72413405341
oct620455473
9238534370
10105012027
11543050aa
122b202a23
13189a9bc3
14dd37991
159344a1c
hex6425b3b

105012027 has 12 divisors (see below), whose sum is σ = 154546704. Its totient is φ = 68686800.

The previous prime is 105012001. The next prime is 105012041. The reversal of 105012027 is 720210501.

It is not a de Polignac number, because 105012027 - 214 = 104995643 is a prime.

It is a super-2 number, since 2×1050120272 = 22055051629297458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105012827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109599 + ... + 110552.

It is an arithmetic number, because the mean of its divisors is an integer number (12878892).

Almost surely, 2105012027 is an apocalyptic number.

105012027 is a deficient number, since it is larger than the sum of its proper divisors (49534677).

105012027 is a wasteful number, since it uses less digits than its factorization.

105012027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220210 (or 220207 counting only the distinct ones).

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

The square root of 105012027 is about 10247.5376066643. The cubic root of 105012027 is about 471.7874099489.

Adding to 105012027 its reverse (720210501), we get a palindrome (825222528).

The spelling of 105012027 in words is "one hundred five million, twelve thousand, twenty-seven".

Divisors: 1 3 9 53 159 477 220151 660453 1981359 11668003 35004009 105012027