Base | Representation |
---|---|
bin | 10010101001100011… |
… | …000101010000010110 |
3 | 1220200112110200200102 |
4 | 102221203011100112 |
5 | 312002222242004 |
6 | 13111000414102 |
7 | 1306136502254 |
oct | 225143052026 |
9 | 56615420612 |
10 | 20024415254 |
11 | 8546295618 |
12 | 3a6a177332 |
13 | 1b7177592c |
14 | d7d63d5d4 |
15 | 7c2e9011e |
hex | 4a98c5416 |
20024415254 has 4 divisors (see below), whose sum is σ = 30036622884. Its totient is φ = 10012207626.
The previous prime is 20024415253. The next prime is 20024415259. The reversal of 20024415254 is 45251442002.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20024415253) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006103812 + ... + 5006103815.
It is an arithmetic number, because the mean of its divisors is an integer number (7509155721).
Almost surely, 220024415254 is an apocalyptic number.
20024415254 is a deficient number, since it is larger than the sum of its proper divisors (10012207630).
20024415254 is a wasteful number, since it uses less digits than its factorization.
20024415254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10012207629.
The product of its (nonzero) digits is 12800, while the sum is 29.
Adding to 20024415254 its reverse (45251442002), we get a palindrome (65275857256).
The spelling of 20024415254 in words is "twenty billion, twenty-four million, four hundred fifteen thousand, two hundred fifty-four".
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