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2120550245 = 51138555459
BaseRepresentation
bin111111001100101…
…0000011101100101
312110210012010001222
41332121100131211
513320330101440
6550230430125
7103356244142
oct17631203545
95423163058
102120550245
11998aa4870
124b2202345
1327a434878
141618b93c9
15c62762b5
hex7e650765

2120550245 has 8 divisors (see below), whose sum is σ = 2775993120. Its totient is φ = 1542218320.

The previous prime is 2120550239. The next prime is 2120550307. The reversal of 2120550245 is 5420550212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2120550245 - 26 = 2120550181 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19277675 + ... + 19277784.

It is an arithmetic number, because the mean of its divisors is an integer number (346999140).

Almost surely, 22120550245 is an apocalyptic number.

It is an amenable number.

2120550245 is a deficient number, since it is larger than the sum of its proper divisors (655442875).

2120550245 is a wasteful number, since it uses less digits than its factorization.

2120550245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38555475.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2120550245 is about 46049.4326240834. The cubic root of 2120550245 is about 1284.7427899452.

The spelling of 2120550245 in words is "two billion, one hundred twenty million, five hundred fifty thousand, two hundred forty-five".

Divisors: 1 5 11 55 38555459 192777295 424110049 2120550245