Base | Representation |
---|---|
bin | 10010110100110111… |
… | …000110011000011011 |
3 | 1221011202121101001002 |
4 | 102310313012120123 |
5 | 312344314241443 |
6 | 13141500415215 |
7 | 1313632653020 |
oct | 226467063033 |
9 | 57152541032 |
10 | 20214212123 |
11 | 8633439836 |
12 | 3b0184750b |
13 | 1ba1b99a81 |
14 | d9a927547 |
15 | 7d49812b8 |
hex | 4b4dc661b |
20214212123 has 16 divisors (see below), whose sum is σ = 23447854080. Its totient is φ = 17067472800.
The previous prime is 20214212111. The next prime is 20214212141. The reversal of 20214212123 is 32121241202.
It is not a de Polignac number, because 20214212123 - 26 = 20214212059 is a prime.
It is a super-3 number, since 3×202142121233 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 20214212095 and 20214212104.
It is not an unprimeable number, because it can be changed into a prime (20214212173) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569738 + ... + 604176.
It is an arithmetic number, because the mean of its divisors is an integer number (1465490880).
Almost surely, 220214212123 is an apocalyptic number.
20214212123 is a deficient number, since it is larger than the sum of its proper divisors (3233641957).
20214212123 is a wasteful number, since it uses less digits than its factorization.
20214212123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35698.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 20214212123 its reverse (32121241202), we get a palindrome (52335453325).
The spelling of 20214212123 in words is "twenty billion, two hundred fourteen million, two hundred twelve thousand, one hundred twenty-three".
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