Base | Representation |
---|---|
bin | 10011010110011111… |
… | …00010010111100111 |
3 | 222211001001111111201 |
4 | 21223033202113213 |
5 | 132234111412024 |
6 | 4434523543331 |
7 | 515311325212 |
oct | 115317422747 |
9 | 28731044451 |
10 | 10389169639 |
11 | 4451462a12 |
12 | 201b38ab47 |
13 | c97509274 |
14 | 707b08779 |
15 | 40c132744 |
hex | 26b3e25e7 |
10389169639 has 4 divisors (see below), whose sum is σ = 10565257320. Its totient is φ = 10213081960.
The previous prime is 10389169633. The next prime is 10389169697. The reversal of 10389169639 is 93696198301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93696198301 = 307 ⋅305199343.
It is a cyclic number.
It is not a de Polignac number, because 10389169639 - 25 = 10389169607 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 10389169639.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10389169633) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88043752 + ... + 88043869.
It is an arithmetic number, because the mean of its divisors is an integer number (2641314330).
Almost surely, 210389169639 is an apocalyptic number.
10389169639 is a deficient number, since it is larger than the sum of its proper divisors (176087681).
10389169639 is an equidigital number, since it uses as much as digits as its factorization.
10389169639 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 176087680.
The product of its (nonzero) digits is 1889568, while the sum is 55.
The spelling of 10389169639 in words is "ten billion, three hundred eighty-nine million, one hundred sixty-nine thousand, six hundred thirty-nine".
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