Base | Representation |
---|---|
bin | 10011000001010100… |
… | …000010010011101001 |
3 | 1221201022201012112110 |
4 | 103001110002103221 |
5 | 313311304433301 |
6 | 13214322232533 |
7 | 1322050456104 |
oct | 230124022351 |
9 | 57638635473 |
10 | 20423124201 |
11 | 8730359547 |
12 | 3b5b7b5749 |
13 | 1c0625469c |
14 | dba58973b |
15 | 7e7e9b0d6 |
hex | 4c15024e9 |
20423124201 has 8 divisors (see below), whose sum is σ = 27297412960. Its totient is φ = 13582125792.
The previous prime is 20423124181. The next prime is 20423124217. The reversal of 20423124201 is 10242132402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20423124201 - 221 = 20421027049 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20423124901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8321155 + ... + 8323608.
It is an arithmetic number, because the mean of its divisors is an integer number (3412176620).
Almost surely, 220423124201 is an apocalyptic number.
It is an amenable number.
20423124201 is a deficient number, since it is larger than the sum of its proper divisors (6874288759).
20423124201 is a wasteful number, since it uses less digits than its factorization.
20423124201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16645175.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 20423124201 its reverse (10242132402), we get a palindrome (30665256603).
The spelling of 20423124201 in words is "twenty billion, four hundred twenty-three million, one hundred twenty-four thousand, two hundred one".
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