Base | Representation |
---|---|
bin | 10100111000100101… |
… | …100101001001011001 |
3 | 2010212210010000000111 |
4 | 110320211211021121 |
5 | 331411044241212 |
6 | 14145044404321 |
7 | 1422456441352 |
oct | 247045451131 |
9 | 63783100014 |
10 | 22424212057 |
11 | 9567979465 |
12 | 44199a66a1 |
13 | 21649bcc40 |
14 | 112a248d29 |
15 | 8b39c5ea7 |
hex | 538965259 |
22424212057 has 4 divisors (see below), whose sum is σ = 24149151460. Its totient is φ = 20699272656.
The previous prime is 22424212037. The next prime is 22424212121. The reversal of 22424212057 is 75021242422.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1880436496 + 20543775561 = 43364^2 + 143331^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-22424212057 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22424212037) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862469682 + ... + 862469707.
It is an arithmetic number, because the mean of its divisors is an integer number (6037287865).
Almost surely, 222424212057 is an apocalyptic number.
It is an amenable number.
22424212057 is a deficient number, since it is larger than the sum of its proper divisors (1724939403).
22424212057 is a wasteful number, since it uses less digits than its factorization.
22424212057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1724939402.
The product of its (nonzero) digits is 17920, while the sum is 31.
Adding to 22424212057 its reverse (75021242422), we get a palindrome (97445454479).
The spelling of 22424212057 in words is "twenty-two billion, four hundred twenty-four million, two hundred twelve thousand, fifty-seven".
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