Base | Representation |
---|---|
bin | 10101100011100100… |
… | …111001101010101101 |
3 | 2012202001020220022102 |
4 | 111203210321222231 |
5 | 334400214014003 |
6 | 14344411224445 |
7 | 1446365054315 |
oct | 254344715255 |
9 | 65661226272 |
10 | 23145454253 |
11 | 98a8007399 |
12 | 459b448125 |
13 | 224b258c7c |
14 | 1197d52445 |
15 | 906e92588 |
hex | 563939aad |
23145454253 has 24 divisors (see below), whose sum is σ = 24873631200. Its totient is φ = 21531080448.
The previous prime is 23145454249. The next prime is 23145454259. The reversal of 23145454253 is 35245454132.
It is not a de Polignac number, because 23145454253 - 22 = 23145454249 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23145454259) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19498526 + ... + 19499712.
It is an arithmetic number, because the mean of its divisors is an integer number (1036401300).
Almost surely, 223145454253 is an apocalyptic number.
It is an amenable number.
23145454253 is a deficient number, since it is larger than the sum of its proper divisors (1728176947).
23145454253 is a wasteful number, since it uses less digits than its factorization.
23145454253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1949 (or 1932 counting only the distinct ones).
The product of its digits is 288000, while the sum is 38.
The spelling of 23145454253 in words is "twenty-three billion, one hundred forty-five million, four hundred fifty-four thousand, two hundred fifty-three".
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