Base | Representation |
---|---|
bin | 10011000001010101… |
… | …001000011000101100 |
3 | 1221201100020210021200 |
4 | 103001111020120230 |
5 | 313311343124434 |
6 | 13214332325500 |
7 | 1322053063005 |
oct | 230125103054 |
9 | 57640223250 |
10 | 20423411244 |
11 | 8730535175 |
12 | 3b5b913890 |
13 | 1c06325232 |
14 | dba6221ac |
15 | 7e8006199 |
hex | 4c154862c |
20423411244 has 36 divisors (see below), whose sum is σ = 54662661144. Its totient is φ = 6407344512.
The previous prime is 20423411243. The next prime is 20423411251. The reversal of 20423411244 is 44211432402.
20423411244 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 3 + 411 + 244 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-3 number, since 3×204234112443 (a number of 32 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (20423411243) 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 11 ways as a sum of consecutive naturals, for example, 16685182 + ... + 16686405.
It is an arithmetic number, because the mean of its divisors is an integer number (1518407254).
Almost surely, 220423411244 is an apocalyptic number.
It is an amenable number.
20423411244 is an abundant number, since it is smaller than the sum of its proper divisors (34239249900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20423411244 is a wasteful number, since it uses less digits than its factorization.
20423411244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33371614 (or 33371609 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 27.
Adding to 20423411244 its reverse (44211432402), we get a palindrome (64634843646).
The spelling of 20423411244 in words is "twenty billion, four hundred twenty-three million, four hundred eleven thousand, two hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •