Base | Representation |
---|---|
bin | 10010110111011000… |
… | …11001111110100101 |
3 | 222010212012001100220 |
4 | 21123230121332211 |
5 | 131220321130424 |
6 | 4353004354553 |
7 | 505663101141 |
oct | 113354317645 |
9 | 28125161326 |
10 | 10128301989 |
11 | 4328187213 |
12 | 1b67b45a59 |
13 | c55460100 |
14 | 6c1200221 |
15 | 3e42a3579 |
hex | 25bb19fa5 |
10128301989 has 48 divisors (see below), whose sum is σ = 15417114624. Its totient is φ = 5902977600.
The previous prime is 10128301979. The next prime is 10128302003. The reversal of 10128301989 is 98910382101.
It is not a de Polignac number, because 10128301989 - 219 = 10127777701 is a prime.
It is a super-2 number, since 2×101283019892 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 10128301989.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10128301949) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 731844 + ... + 745554.
It is an arithmetic number, because the mean of its divisors is an integer number (321189888).
Almost surely, 210128301989 is an apocalyptic number.
It is an amenable number.
10128301989 is a deficient number, since it is larger than the sum of its proper divisors (5288812635).
10128301989 is a wasteful number, since it uses less digits than its factorization.
10128301989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13818 (or 13805 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 42.
The spelling of 10128301989 in words is "ten billion, one hundred twenty-eight million, three hundred one thousand, nine hundred eighty-nine".
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