Base | Representation |
---|---|
bin | 10101100011111110… |
… | …101110001110100001 |
3 | 2012202111222210110211 |
4 | 111203332232032201 |
5 | 334403432120022 |
6 | 14345212254121 |
7 | 1446506435551 |
oct | 254376561641 |
9 | 65674883424 |
10 | 23152223137 |
11 | 990090aa0a |
12 | 45a1771341 |
13 | 224c788c24 |
14 | 1198bd5161 |
15 | 90787ce77 |
hex | 563fae3a1 |
23152223137 has 2 divisors, whose sum is σ = 23152223138. Its totient is φ = 23152223136.
The previous prime is 23152223113. The next prime is 23152223173. The reversal of 23152223137 is 73132225132.
Together with next prime (23152223173) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 21655771281 + 1496451856 = 147159^2 + 38684^2 .
It is a cyclic number.
It is not a de Polignac number, because 23152223137 - 219 = 23151698849 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23152223099 and 23152223108.
It is not a weakly prime, because it can be changed into another prime (23152226137) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11576111568 + 11576111569.
It is an arithmetic number, because the mean of its divisors is an integer number (11576111569).
Almost surely, 223152223137 is an apocalyptic number.
It is an amenable number.
23152223137 is a deficient number, since it is larger than the sum of its proper divisors (1).
23152223137 is an equidigital number, since it uses as much as digits as its factorization.
23152223137 is an evil number, because the sum of its binary digits is even.
The product of its digits is 15120, while the sum is 31.
Adding to 23152223137 its reverse (73132225132), we get a palindrome (96284448269).
The spelling of 23152223137 in words is "twenty-three billion, one hundred fifty-two million, two hundred twenty-three thousand, one hundred thirty-seven".
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