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7122220053 = 313199799089
BaseRepresentation
bin1101010001000010…
…00111010000010101
3200101100201021011220
412220201013100111
5104041242020203
63134421520553
7341331604644
oct65041072025
920340637156
107122220053
113025342383
121469273159
138967294c0
144b7c9335b
152ba40c653
hex1a8847415

7122220053 has 32 divisors (see below), whose sum is σ = 10876118400. Its totient is φ = 4109377536.

The previous prime is 7122220051. The next prime is 7122220067. The reversal of 7122220053 is 3500222217.

It is a happy number.

It is not a de Polignac number, because 7122220053 - 21 = 7122220051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7122220051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22333 + ... + 121421.

It is an arithmetic number, because the mean of its divisors is an integer number (339878700).

Almost surely, 27122220053 is an apocalyptic number.

It is an amenable number.

7122220053 is a deficient number, since it is larger than the sum of its proper divisors (3753898347).

7122220053 is a wasteful number, since it uses less digits than its factorization.

7122220053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99221.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 7122220053 is about 84393.2464892778. The cubic root of 7122220053 is about 1924.0002727519. Note that the first 3 decimals are identical.

The spelling of 7122220053 in words is "seven billion, one hundred twenty-two million, two hundred twenty thousand, fifty-three".

Divisors: 1 3 13 19 39 57 97 247 291 741 1261 1843 3783 5529 23959 71877 99089 297267 1288157 1882691 3864471 5648073 9611633 24474983 28834899 73424949 124951229 182621027 374853687 547863081 2374073351 7122220053