Base | Representation |
---|---|
bin | 10010101001010010… |
… | …00111101010011100 |
3 | 221211121120200120210 |
4 | 21110221013222130 |
5 | 131000030000103 |
6 | 4333141012420 |
7 | 503025411360 |
oct | 112451075234 |
9 | 27747520523 |
10 | 10010000028 |
11 | 42774251a6 |
12 | 1b343b4110 |
13 | c36aac052 |
14 | 6ad6072a0 |
15 | 3d8bd5e03 |
hex | 254a47a9c |
10010000028 has 48 divisors (see below), whose sum is σ = 27261287424. Its totient is φ = 2799147840.
The previous prime is 10009999997. The next prime is 10010000029. The reversal of 10010000028 is 82000001001.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 10009999968 and 10010000022.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10010000029) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1263783 + ... + 1271678.
It is an arithmetic number, because the mean of its divisors is an integer number (567943488).
Almost surely, 210010000028 is an apocalyptic number.
It is an amenable number.
10010000028 is an abundant number, since it is smaller than the sum of its proper divisors (17251287396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10010000028 is a wasteful number, since it uses less digits than its factorization.
10010000028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2535522 (or 2535520 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 10010000028 its reverse (82000001001), we get a palindrome (92010001029).
The spelling of 10010000028 in words is "ten billion, ten million, twenty-eight", and thus it is an aban number and an uban number.
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