Base | Representation |
---|---|
bin | 111111111101111… |
… | …1110110001100111 |
3 | 12112120212221111110 |
4 | 1333323332301213 |
5 | 13343441230210 |
6 | 552553240103 |
7 | 104122232400 |
oct | 17773766147 |
9 | 5476787443 |
10 | 2146430055 |
11 | a01670740 |
12 | 4baa03033 |
13 | 2828c6373 |
14 | 1650d49a7 |
15 | c8689420 |
hex | 7fefec67 |
2146430055 has 48 divisors (see below), whose sum is σ = 4358185344. Its totient is φ = 892019520.
The previous prime is 2146430017. The next prime is 2146430107. The reversal of 2146430055 is 5500346412.
It is not a de Polignac number, because 2146430055 - 27 = 2146429927 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124657 + ... + 140826.
It is an arithmetic number, because the mean of its divisors is an integer number (90795528).
Almost surely, 22146430055 is an apocalyptic number.
2146430055 is an abundant number, since it is smaller than the sum of its proper divisors (2211755289).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2146430055 is a wasteful number, since it uses less digits than its factorization.
2146430055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 265516 (or 265509 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
The square root of 2146430055 is about 46329.5807772961. The cubic root of 2146430055 is about 1289.9481290362.
Adding to 2146430055 its reverse (5500346412), we get a palindrome (7646776467).
The spelling of 2146430055 in words is "two billion, one hundred forty-six million, four hundred thirty thousand, fifty-five".
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