Base | Representation |
---|---|
bin | 10010111111111011… |
… | …111100001000000110 |
3 | 1221122201020220112121 |
4 | 102333323330020012 |
5 | 313234401431324 |
6 | 13212135240154 |
7 | 1321350252514 |
oct | 227773741006 |
9 | 57581226477 |
10 | 20400030214 |
11 | 8719315703 |
12 | 3b53b1905a |
13 | 1c01529bc5 |
14 | db74974b4 |
15 | 7e5e385e4 |
hex | 4bfefc206 |
20400030214 has 8 divisors (see below), whose sum is σ = 30615328440. Its totient is φ = 10194920736.
The previous prime is 20400030191. The next prime is 20400030239. The reversal of 20400030214 is 41203000402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×204000302142 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2542179 + ... + 2550190.
It is an arithmetic number, because the mean of its divisors is an integer number (3826916055).
Almost surely, 220400030214 is an apocalyptic number.
20400030214 is a deficient number, since it is larger than the sum of its proper divisors (10215298226).
20400030214 is a wasteful number, since it uses less digits than its factorization.
20400030214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5094374.
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 20400030214 its reverse (41203000402), we get a palindrome (61603030616).
The spelling of 20400030214 in words is "twenty billion, four hundred million, thirty thousand, two hundred fourteen".
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