Base | Representation |
---|---|
bin | 10101011101010011… |
… | …011001100101110000 |
3 | 2012110201012120220022 |
4 | 111131103121211300 |
5 | 334141242444440 |
6 | 14330131303012 |
7 | 1443646331564 |
oct | 253523314560 |
9 | 65421176808 |
10 | 23040203120 |
11 | 9853659690 |
12 | 457014aa68 |
13 | 22324c72ac |
14 | 1187d956a4 |
15 | 8ecb01cb5 |
hex | 55d4d9970 |
23040203120 has 40 divisors (see below), whose sum is σ = 58438335600. Its totient is φ = 8378255360.
The previous prime is 23040203119. The next prime is 23040203159. The reversal of 23040203120 is 2130204032.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13090145 + ... + 13091904.
It is an arithmetic number, because the mean of its divisors is an integer number (1460958390).
Almost surely, 223040203120 is an apocalyptic number.
23040203120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23040203120 is an abundant number, since it is smaller than the sum of its proper divisors (35398132480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23040203120 is a wasteful number, since it uses less digits than its factorization.
23040203120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26182073 (or 26182067 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 23040203120 its reverse (2130204032), we get a palindrome (25170407152).
The spelling of 23040203120 in words is "twenty-three billion, forty million, two hundred three thousand, one hundred twenty".
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