Base | Representation |
---|---|
bin | 10011000001010111… |
… | …100011001010011111 |
3 | 1221201101102222221002 |
4 | 103001113203022133 |
5 | 313312023421330 |
6 | 13214354100515 |
7 | 1322061343220 |
oct | 230127431237 |
9 | 57641388832 |
10 | 20424045215 |
11 | 8730928512 |
12 | 3b5bb7a73b |
13 | 1c064b7972 |
14 | dba749247 |
15 | 7e80cde45 |
hex | 4c15e329f |
20424045215 has 8 divisors (see below), whose sum is σ = 28010119200. Its totient is φ = 14005059552.
The previous prime is 20424045197. The next prime is 20424045223. The reversal of 20424045215 is 51254042402.
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 20424045215 - 212 = 20424041119 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291772040 + ... + 291772109.
It is an arithmetic number, because the mean of its divisors is an integer number (3501264900).
Almost surely, 220424045215 is an apocalyptic number.
20424045215 is a deficient number, since it is larger than the sum of its proper divisors (7586073985).
20424045215 is an equidigital number, since it uses as much as digits as its factorization.
20424045215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 583544161.
The product of its (nonzero) digits is 12800, while the sum is 29.
Adding to 20424045215 its reverse (51254042402), we get a palindrome (71678087617).
The spelling of 20424045215 in words is "twenty billion, four hundred twenty-four million, forty-five thousand, two hundred fifteen".
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