Base | Representation |
---|---|
bin | 10010110100110111… |
… | …111010001010100111 |
3 | 1221011210000010222221 |
4 | 102310313322022213 |
5 | 312344343033411 |
6 | 13141505133211 |
7 | 1313634525301 |
oct | 226467721247 |
9 | 57153003887 |
10 | 20214424231 |
11 | 8633574131 |
12 | 3b0192a207 |
13 | 1ba1c42491 |
14 | d9a980971 |
15 | 7d49c4071 |
hex | 4b4dfa2a7 |
20214424231 has 8 divisors (see below), whose sum is σ = 20880526464. Its totient is φ = 19549198560.
The previous prime is 20214424201. The next prime is 20214424283. The reversal of 20214424231 is 13242441202.
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 20214424231 - 25 = 20214424199 is a prime.
It is a super-2 number, since 2×202144242312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20214424196 and 20214424205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20214424201) 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, 172096 + ... + 264661.
It is an arithmetic number, because the mean of its divisors is an integer number (2610065808).
Almost surely, 220214424231 is an apocalyptic number.
20214424231 is a deficient number, since it is larger than the sum of its proper divisors (666102233).
20214424231 is a wasteful number, since it uses less digits than its factorization.
20214424231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 438281.
The product of its (nonzero) digits is 3072, while the sum is 25.
Adding to 20214424231 its reverse (13242441202), we get a palindrome (33456865433).
The spelling of 20214424231 in words is "twenty billion, two hundred fourteen million, four hundred twenty-four thousand, two hundred thirty-one".
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