Base | Representation |
---|---|
bin | 10010110100110010… |
… | …100001001001010110 |
3 | 1221011200100100110011 |
4 | 102310302201021112 |
5 | 312344012323110 |
6 | 13141414550434 |
7 | 1313616521212 |
oct | 226462411126 |
9 | 57150310404 |
10 | 20213011030 |
11 | 86327993a3 |
12 | 3b0136841a |
13 | 1ba1869174 |
14 | d9a6d3942 |
15 | 7d47e548a |
hex | 4b4ca1256 |
20213011030 has 16 divisors (see below), whose sum is σ = 36499666464. Its totient is φ = 8059371840.
The previous prime is 20213011019. The next prime is 20213011031. The reversal of 20213011030 is 3011031202.
It is a self number, because there is not a number n which added to its sum of digits gives 20213011030.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20213011031) 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, 3225786 + ... + 3232045.
It is an arithmetic number, because the mean of its divisors is an integer number (2281229154).
Almost surely, 220213011030 is an apocalyptic number.
20213011030 is a deficient number, since it is larger than the sum of its proper divisors (16286655434).
20213011030 is a wasteful number, since it uses less digits than its factorization.
20213011030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6458151.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 20213011030 its reverse (3011031202), we get a palindrome (23224042232).
The spelling of 20213011030 in words is "twenty billion, two hundred thirteen million, eleven thousand, thirty".
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