Base | Representation |
---|---|
bin | 111111111111010… |
… | …1100100110100111 |
3 | 12112122020010011211 |
4 | 1333332230212213 |
5 | 13344132021210 |
6 | 553020412251 |
7 | 104131256242 |
oct | 17776544647 |
9 | 5478203154 |
10 | 2147142055 |
11 | a02007673 |
12 | 4bb0a7087 |
13 | 282ab5476 |
14 | 16523c259 |
15 | c877a38a |
hex | 7ffac9a7 |
2147142055 has 8 divisors (see below), whose sum is σ = 2577080592. Its totient is φ = 1717373568.
The previous prime is 2147142047. The next prime is 2147142061. The reversal of 2147142055 is 5502417412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2147142055 - 23 = 2147142047 is a prime.
It is a super-2 number, since 2×21471420552 = 9220438008699246050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12849 + ... + 66778.
It is an arithmetic number, because the mean of its divisors is an integer number (322135074).
Almost surely, 22147142055 is an apocalyptic number.
2147142055 is a deficient number, since it is larger than the sum of its proper divisors (429938537).
2147142055 is an equidigital number, since it uses as much as digits as its factorization.
2147142055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85025.
The product of its (nonzero) digits is 11200, while the sum is 31.
The square root of 2147142055 is about 46337.2642157476. The cubic root of 2147142055 is about 1290.0907443726.
Adding to 2147142055 its reverse (5502417412), we get a palindrome (7649559467).
The spelling of 2147142055 in words is "two billion, one hundred forty-seven million, one hundred forty-two thousand, fifty-five".
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