Base | Representation |
---|---|
bin | 1101010001000010… |
… | …00111010000010101 |
3 | 200101100201021011220 |
4 | 12220201013100111 |
5 | 104041242020203 |
6 | 3134421520553 |
7 | 341331604644 |
oct | 65041072025 |
9 | 20340637156 |
10 | 7122220053 |
11 | 3025342383 |
12 | 1469273159 |
13 | 8967294c0 |
14 | 4b7c9335b |
15 | 2ba40c653 |
hex | 1a8847415 |
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".
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