Base | Representation |
---|---|
bin | 10010110101111000… |
… | …101110000100000101 |
3 | 1221012221222022121102 |
4 | 102311320232010011 |
5 | 312413220222041 |
6 | 13143313225445 |
7 | 1314232116230 |
oct | 226570560405 |
9 | 57187868542 |
10 | 20231414021 |
11 | 8642118885 |
12 | 3b07562285 |
13 | 1ba5610700 |
14 | d9cd24417 |
15 | 7d622d09b |
hex | 4b5e2e105 |
20231414021 has 12 divisors (see below), whose sum is σ = 25037017632. Its totient is φ = 16007271696.
The previous prime is 20231414011. The next prime is 20231414023. The reversal of 20231414021 is 12041413202.
It is not a de Polignac number, because 20231414021 - 222 = 20227219717 is a prime.
It is a super-2 number, since 2×202314140212 (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 = 20231413984 and 20231414002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20231414023) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8549711 + ... + 8552076.
It is an arithmetic number, because the mean of its divisors is an integer number (2086418136).
Almost surely, 220231414021 is an apocalyptic number.
It is an amenable number.
20231414021 is a deficient number, since it is larger than the sum of its proper divisors (4805603611).
20231414021 is a wasteful number, since it uses less digits than its factorization.
20231414021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17101820 (or 17101807 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 20231414021 its reverse (12041413202), we get a palindrome (32272827223).
The spelling of 20231414021 in words is "twenty billion, two hundred thirty-one million, four hundred fourteen thousand, twenty-one".
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