Base | Representation |
---|---|
bin | 10101110010111000… |
… | …110110111001111001 |
3 | 2020101221122020212121 |
4 | 111302320312321321 |
5 | 340412000002212 |
6 | 14430105241241 |
7 | 1455634433221 |
oct | 256270667171 |
9 | 66357566777 |
10 | 23402344057 |
11 | 9a1a016514 |
12 | 4651493221 |
13 | 228c541681 |
14 | 11c0103081 |
15 | 91e7d7d07 |
hex | 572e36e79 |
23402344057 has 2 divisors, whose sum is σ = 23402344058. Its totient is φ = 23402344056.
The previous prime is 23402344019. The next prime is 23402344067. The reversal of 23402344057 is 75044320432.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 14167902841 + 9234441216 = 119029^2 + 96096^2 .
It is a cyclic number.
It is not a de Polignac number, because 23402344057 - 223 = 23393955449 is a prime.
It is not a weakly prime, because it can be changed into another prime (23402344067) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11701172028 + 11701172029.
It is an arithmetic number, because the mean of its divisors is an integer number (11701172029).
Almost surely, 223402344057 is an apocalyptic number.
It is an amenable number.
23402344057 is a deficient number, since it is larger than the sum of its proper divisors (1).
23402344057 is an equidigital number, since it uses as much as digits as its factorization.
23402344057 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 80640, while the sum is 34.
Adding to 23402344057 its reverse (75044320432), we get a palindrome (98446664489).
The spelling of 23402344057 in words is "twenty-three billion, four hundred two million, three hundred forty-four thousand, fifty-seven".
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