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105001012 = 2243214197
BaseRepresentation
bin1100100001000…
…11000000110100
321022120121022101
412100203000310
5203340013022
614230311444
72413331254
oct620430064
9238517271
10105001012
11542a78a6
122b1b8584
13189a4b9c
14dd33964
159341627
hex6423034

105001012 has 18 divisors (see below), whose sum is σ = 188137698. Its totient is φ = 51275952.

The previous prime is 105001007. The next prime is 105001019. The reversal of 105001012 is 210100501.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 104734756 + 266256 = 10234^2 + 516^2 .

It is a super-2 number, since 2×1050010122 = 22050425042048288, 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 105001012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105001019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 298 + ... + 14494.

Almost surely, 2105001012 is an apocalyptic number.

It is an amenable number.

105001012 is a deficient number, since it is larger than the sum of its proper divisors (83136686).

105001012 is a wasteful number, since it uses less digits than its factorization.

105001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14287 (or 14242 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 105001012 is about 10247.0001463843. Note that the first 3 decimals coincide. The cubic root of 105001012 is about 471.7709136796.

Adding to 105001012 its reverse (210100501), we get a palindrome (315101513).

The spelling of 105001012 in words is "one hundred five million, one thousand, twelve".

Divisors: 1 2 4 43 86 172 1849 3698 7396 14197 28394 56788 610471 1220942 2441884 26250253 52500506 105001012