Base | Representation |
---|---|
bin | 10010110111100101… |
… | …11111110111000101 |
3 | 222010222102211210002 |
4 | 21123302333313011 |
5 | 131221241430041 |
6 | 4353105411045 |
7 | 506013556136 |
oct | 113362776705 |
9 | 28128384702 |
10 | 10130030021 |
11 | 4329157541 |
12 | 1b68639a85 |
13 | c55916807 |
14 | 6c152dc8d |
15 | 3e44e559b |
hex | 25bcbfdc5 |
10130030021 has 8 divisors (see below), whose sum is σ = 10160651904. Its totient is φ = 10099449360.
The previous prime is 10130029981. The next prime is 10130030033. The reversal of 10130030021 is 12003003101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10130030021 - 222 = 10125835717 is a prime.
It is a super-2 number, since 2×101300300212 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 10130029984 and 10130030011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10130030621) 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, 522776 + ... + 541806.
It is an arithmetic number, because the mean of its divisors is an integer number (1270081488).
Almost surely, 210130030021 is an apocalyptic number.
It is an amenable number.
10130030021 is a deficient number, since it is larger than the sum of its proper divisors (30621883).
10130030021 is a wasteful number, since it uses less digits than its factorization.
10130030021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20611.
The product of its (nonzero) digits is 18, while the sum is 11.
Adding to 10130030021 its reverse (12003003101), we get a palindrome (22133033122).
It can be divided in two parts, 10 and 130030021, that added together give a palindrome (130030031).
The spelling of 10130030021 in words is "ten billion, one hundred thirty million, thirty thousand, twenty-one".
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