Base | Representation |
---|---|
bin | 10010111011110000… |
… | …110011001100111011 |
3 | 1221110211111001210211 |
4 | 102323300303030323 |
5 | 313113440014321 |
6 | 13201154251551 |
7 | 1316540105362 |
oct | 227360631473 |
9 | 57424431724 |
10 | 20330001211 |
11 | 86928348a3 |
12 | 3b34586bb7 |
13 | 1bbcb7b120 |
14 | dac0687d9 |
15 | 7dec040e1 |
hex | 4bbc3333b |
20330001211 has 8 divisors (see below), whose sum is σ = 21914004224. Its totient is φ = 18748877760.
The previous prime is 20330001203. The next prime is 20330001229. The reversal of 20330001211 is 11210003302.
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 20330001211 - 23 = 20330001203 is a prime.
It is a super-2 number, since 2×203300012112 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20330001191 and 20330001200.
It is not an unprimeable number, because it can be changed into a prime (20330001281) 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, 705210 + ... + 733471.
It is an arithmetic number, because the mean of its divisors is an integer number (2739250528).
Almost surely, 220330001211 is an apocalyptic number.
20330001211 is a deficient number, since it is larger than the sum of its proper divisors (1584003013).
20330001211 is a wasteful number, since it uses less digits than its factorization.
20330001211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1439781.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 20330001211 its reverse (11210003302), we get a palindrome (31540004513).
The spelling of 20330001211 in words is "twenty billion, three hundred thirty million, one thousand, two hundred eleven".
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