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5251211105 = 57295173607
BaseRepresentation
bin1001110001111111…
…10001111101100001
3111112222002011102012
410320333301331201
541223302223410
62225023402305
7244062362240
oct47077617541
914488064365
105251211105
112255198698
121026753395
13658c0660a
1437b5b4957
1520b029605
hex138ff1f61

5251211105 has 16 divisors (see below), whose sum is σ = 7449995520. Its totient is φ = 3476663232.

The previous prime is 5251211101. The next prime is 5251211219. The reversal of 5251211105 is 5011121525.

It is not a de Polignac number, because 5251211105 - 22 = 5251211101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5251211101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2585789 + ... + 2587818.

It is an arithmetic number, because the mean of its divisors is an integer number (465624720).

Almost surely, 25251211105 is an apocalyptic number.

It is an amenable number.

5251211105 is a deficient number, since it is larger than the sum of its proper divisors (2198784415).

5251211105 is a wasteful number, since it uses less digits than its factorization.

5251211105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5173648.

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 5251211105 is about 72465.2406675090. The cubic root of 5251211105 is about 1738.1469576678.

The spelling of 5251211105 in words is "five billion, two hundred fifty-one million, two hundred eleven thousand, one hundred five".

Divisors: 1 5 7 29 35 145 203 1015 5173607 25868035 36215249 150034603 181076245 750173015 1050242221 5251211105