Base | Representation |
---|---|
bin | 10101011010111010… |
… | …100101001001000101 |
3 | 2012100220211021221010 |
4 | 111122322211021011 |
5 | 334101014024110 |
6 | 14322140512433 |
7 | 1442651661522 |
oct | 253272451105 |
9 | 65326737833 |
10 | 23000142405 |
11 | 9832a87459 |
12 | 455a84b719 |
13 | 222710bc26 |
14 | 1182928149 |
15 | 8e933c020 |
hex | 55aea5245 |
23000142405 has 16 divisors (see below), whose sum is σ = 36803390400. Its totient is φ = 12265688448.
The previous prime is 23000142377. The next prime is 23000142421. The reversal of 23000142405 is 50424100032.
It is not a de Polignac number, because 23000142405 - 28 = 23000142149 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134049 + ... + 252921.
It is an arithmetic number, because the mean of its divisors is an integer number (2300211900).
Almost surely, 223000142405 is an apocalyptic number.
It is an amenable number.
23000142405 is a deficient number, since it is larger than the sum of its proper divisors (13803247995).
23000142405 is a wasteful number, since it uses less digits than its factorization.
23000142405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131780.
The product of its (nonzero) digits is 960, while the sum is 21.
Adding to 23000142405 its reverse (50424100032), we get a palindrome (73424242437).
The spelling of 23000142405 in words is "twenty-three billion, one hundred forty-two thousand, four hundred five".
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