Base | Representation |
---|---|
bin | 10101011011101001… |
… | …000010001101000101 |
3 | 2012101202201222112201 |
4 | 111123221002031011 |
5 | 334112123220234 |
6 | 14323253514501 |
7 | 1443160331104 |
oct | 253351021505 |
9 | 65352658481 |
10 | 23012320069 |
11 | 9839944742 |
12 | 4562942a31 |
13 | 22297b3a4b |
14 | 11843b803b |
15 | 8ea445314 |
hex | 55ba42345 |
23012320069 has 2 divisors, whose sum is σ = 23012320070. Its totient is φ = 23012320068.
The previous prime is 23012320063. The next prime is 23012320103. The reversal of 23012320069 is 96002321032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12800207044 + 10212113025 = 113138^2 + 101055^2 .
It is a cyclic number.
It is not a de Polignac number, because 23012320069 - 215 = 23012287301 is a prime.
It is a super-2 number, since 2×230123200692 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23012320063) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506160034 + 11506160035.
It is an arithmetic number, because the mean of its divisors is an integer number (11506160035).
Almost surely, 223012320069 is an apocalyptic number.
It is an amenable number.
23012320069 is a deficient number, since it is larger than the sum of its proper divisors (1).
23012320069 is an equidigital number, since it uses as much as digits as its factorization.
23012320069 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3888, while the sum is 28.
The spelling of 23012320069 in words is "twenty-three billion, twelve million, three hundred twenty thousand, sixty-nine".
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