Base | Representation |
---|---|
bin | 10101011011001001… |
… | …011101010110001111 |
3 | 2012101012011110001020 |
4 | 111123021131112033 |
5 | 334103013331024 |
6 | 14322400245223 |
7 | 1443030064464 |
oct | 253311352617 |
9 | 65335143036 |
10 | 23004042639 |
11 | 9835200796 |
12 | 4560010813 |
13 | 2227b76266 |
14 | 118326166b |
15 | 8e985c979 |
hex | 55b25d58f |
23004042639 has 8 divisors (see below), whose sum is σ = 30704655792. Its totient is φ = 15319728960.
The previous prime is 23004042631. The next prime is 23004042661. The reversal of 23004042639 is 93624040032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23004042639 - 23 = 23004042631 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23004042631) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4071574 + ... + 4077219.
It is an arithmetic number, because the mean of its divisors is an integer number (3838081974).
Almost surely, 223004042639 is an apocalyptic number.
23004042639 is a deficient number, since it is larger than the sum of its proper divisors (7700613153).
23004042639 is an equidigital number, since it uses as much as digits as its factorization.
23004042639 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8149737.
The product of its (nonzero) digits is 31104, while the sum is 33.
The spelling of 23004042639 in words is "twenty-three billion, four million, forty-two thousand, six hundred thirty-nine".
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