Base | Representation |
---|---|
bin | 10101100010010000… |
… | …100110000010010011 |
3 | 2012200111200002010011 |
4 | 111202100212002103 |
5 | 334324034304442 |
6 | 14342301415351 |
7 | 1446006156334 |
oct | 254220460223 |
9 | 65614602104 |
10 | 23123353747 |
11 | 9896591a0a |
12 | 4593b6a557 |
13 | 22467bb750 |
14 | 119503c28b |
15 | 905079117 |
hex | 562426093 |
23123353747 has 8 divisors (see below), whose sum is σ = 25705366400. Its totient is φ = 20656097280.
The previous prime is 23123353697. The next prime is 23123353763. The reversal of 23123353747 is 74735332132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23123353747 - 27 = 23123353619 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23123353247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28688622 + ... + 28689427.
It is an arithmetic number, because the mean of its divisors is an integer number (3213170800).
Almost surely, 223123353747 is an apocalyptic number.
23123353747 is a deficient number, since it is larger than the sum of its proper divisors (2582012653).
23123353747 is a wasteful number, since it uses less digits than its factorization.
23123353747 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57378093.
The product of its digits is 317520, while the sum is 40.
Adding to 23123353747 its reverse (74735332132), we get a palindrome (97858685879).
The spelling of 23123353747 in words is "twenty-three billion, one hundred twenty-three million, three hundred fifty-three thousand, seven hundred forty-seven".
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