Base | Representation |
---|---|
bin | 10011000001010101… |
… | …001001000111000101 |
3 | 1221201100020221100122 |
4 | 103001111021013011 |
5 | 313311343223323 |
6 | 13214332351325 |
7 | 1322053104446 |
oct | 230125110705 |
9 | 57640227318 |
10 | 20423414213 |
11 | 8730537424 |
12 | 3b5b915545 |
13 | 1c063266a7 |
14 | dba6232cd |
15 | 7e8006ec8 |
hex | 4c15491c5 |
20423414213 has 8 divisors (see below), whose sum is σ = 21315827328. Its totient is φ = 19531371024.
The previous prime is 20423414197. The next prime is 20423414233. The reversal of 20423414213 is 31241432402.
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 20423414213 - 24 = 20423414197 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20423414233) 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, 23456 + ... + 203462.
It is an arithmetic number, because the mean of its divisors is an integer number (2664478416).
Almost surely, 220423414213 is an apocalyptic number.
20423414213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
20423414213 is a deficient number, since it is larger than the sum of its proper divisors (892413115).
20423414213 is a wasteful number, since it uses less digits than its factorization.
20423414213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 184963.
The product of its (nonzero) digits is 4608, while the sum is 26.
Adding to 20423414213 its reverse (31241432402), we get a palindrome (51664846615).
The spelling of 20423414213 in words is "twenty billion, four hundred twenty-three million, four hundred fourteen thousand, two hundred thirteen".
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