Base | Representation |
---|---|
bin | 10010111010101000… |
… | …101111110111111110 |
3 | 1221102111221110100101 |
4 | 102322220233313332 |
5 | 313044121110324 |
6 | 13155241351314 |
7 | 1316220420340 |
oct | 227250576776 |
9 | 57374843311 |
10 | 20311113214 |
11 | 8683103a87 |
12 | 3b2a19853a |
13 | 1bb8c96bb2 |
14 | da974d290 |
15 | 7dd222944 |
hex | 4baa2fdfe |
20311113214 has 8 divisors (see below), whose sum is σ = 34819051248. Its totient is φ = 8704762800.
The previous prime is 20311113197. The next prime is 20311113241. The reversal of 20311113214 is 41231111302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 20311113191 and 20311113200.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725396887 + ... + 725396914.
It is an arithmetic number, because the mean of its divisors is an integer number (4352381406).
Almost surely, 220311113214 is an apocalyptic number.
20311113214 is a deficient number, since it is larger than the sum of its proper divisors (14507938034).
20311113214 is a wasteful number, since it uses less digits than its factorization.
20311113214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1450793810.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 20311113214 its reverse (41231111302), we get a palindrome (61542224516).
The spelling of 20311113214 in words is "twenty billion, three hundred eleven million, one hundred thirteen thousand, two hundred fourteen".
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