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5107214221 = 9752651693
BaseRepresentation
bin1001100000110100…
…11110011110001101
3111011221010100211021
410300122132132031
540424421323341
62202441154141
7240363414244
oct46032363615
914157110737
105107214221
1121909866aa
12ba648b951
13635129c65
1436640d95b
151ed5839d1
hex13069e78d

5107214221 has 4 divisors (see below), whose sum is σ = 5159866012. Its totient is φ = 5054562432.

The previous prime is 5107214209. The next prime is 5107214243. The reversal of 5107214221 is 1224127015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2955553225 + 2151660996 = 54365^2 + 46386^2 .

It is a cyclic number.

It is not a de Polignac number, because 5107214221 - 27 = 5107214093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5104214221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26325750 + ... + 26325943.

It is an arithmetic number, because the mean of its divisors is an integer number (1289966503).

Almost surely, 25107214221 is an apocalyptic number.

It is an amenable number.

5107214221 is a deficient number, since it is larger than the sum of its proper divisors (52651791).

5107214221 is an equidigital number, since it uses as much as digits as its factorization.

5107214221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52651790.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 5107214221 is about 71464.7760858453. The cubic root of 5107214221 is about 1722.1118620629. Note that the first 3 decimals are identical.

The spelling of 5107214221 in words is "five billion, one hundred seven million, two hundred fourteen thousand, two hundred twenty-one".

Divisors: 1 97 52651693 5107214221