Base | Representation |
---|---|
bin | 10010110000100101… |
… | …010000000001000110 |
3 | 1220222202112011102200 |
4 | 102300211100001012 |
5 | 312222430033014 |
6 | 13130414015330 |
7 | 1312101531420 |
oct | 226045200106 |
9 | 56882464380 |
10 | 20142424134 |
11 | 85a6967418 |
12 | 3aa17a7546 |
13 | 1b90053481 |
14 | d9119b810 |
15 | 7cd500a09 |
hex | 4b0950046 |
20142424134 has 96 divisors (see below), whose sum is σ = 52618325760. Its totient is φ = 5439960000.
The previous prime is 20142424103. The next prime is 20142424213. The reversal of 20142424134 is 43142424102.
20142424134 is a `hidden beast` number, since 2 + 0 + 1 + 4 + 242 + 413 + 4 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 20142424098 and 20142424107.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1094509 + ... + 1112759.
It is an arithmetic number, because the mean of its divisors is an integer number (548107560).
Almost surely, 220142424134 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20142424134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26309162880).
20142424134 is an abundant number, since it is smaller than the sum of its proper divisors (32475901626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20142424134 is a wasteful number, since it uses less digits than its factorization.
20142424134 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18746 (or 18743 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 27.
Adding to 20142424134 its reverse (43142424102), we get a palindrome (63284848236).
The spelling of 20142424134 in words is "twenty billion, one hundred forty-two million, four hundred twenty-four thousand, one hundred thirty-four".
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