Base | Representation |
---|---|
bin | 10101011100100110… |
… | …001010000111000101 |
3 | 2012102212220001012101 |
4 | 111130212022013011 |
5 | 334130223440422 |
6 | 14325025152101 |
7 | 1443443454634 |
oct | 253446120705 |
9 | 65385801171 |
10 | 23028343237 |
11 | 9847999129 |
12 | 456818b631 |
13 | 222cc04003 |
14 | 118658951b |
15 | 8eba5cc27 |
hex | 55c98a1c5 |
23028343237 has 2 divisors, whose sum is σ = 23028343238. Its totient is φ = 23028343236.
The previous prime is 23028343231. The next prime is 23028343241. The reversal of 23028343237 is 73234382032.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 21740322916 + 1288020321 = 147446^2 + 35889^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23028343237 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23028343196 and 23028343205.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23028343231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11514171618 + 11514171619.
It is an arithmetic number, because the mean of its divisors is an integer number (11514171619).
Almost surely, 223028343237 is an apocalyptic number.
It is an amenable number.
23028343237 is a deficient number, since it is larger than the sum of its proper divisors (1).
23028343237 is an equidigital number, since it uses as much as digits as its factorization.
23028343237 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 145152, while the sum is 37.
The spelling of 23028343237 in words is "twenty-three billion, twenty-eight million, three hundred forty-three thousand, two hundred thirty-seven".
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