Base | Representation |
---|---|
bin | 10010101000101101… |
… | …010100110000111101 |
3 | 1220122112221201202021 |
4 | 102220231110300331 |
5 | 311440120314010 |
6 | 13105334400141 |
7 | 1305605640061 |
oct | 225055246075 |
9 | 56575851667 |
10 | 20010323005 |
11 | 853933a932 |
12 | 3a65500051 |
13 | 1b6b88051a |
14 | d7b811aa1 |
15 | 7c1b098da |
hex | 4a8b54c3d |
20010323005 has 16 divisors (see below), whose sum is σ = 25508102400. Its totient is φ = 15026575680.
The previous prime is 20010322903. The next prime is 20010323009. The reversal of 20010323005 is 50032301002.
It is not a de Polignac number, because 20010323005 - 27 = 20010322877 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20010323005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20010323009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 955861 + ... + 976570.
It is an arithmetic number, because the mean of its divisors is an integer number (1594256400).
Almost surely, 220010323005 is an apocalyptic number.
It is an amenable number.
20010323005 is a deficient number, since it is larger than the sum of its proper divisors (5497779395).
20010323005 is a wasteful number, since it uses less digits than its factorization.
20010323005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1932564.
The product of its (nonzero) digits is 180, while the sum is 16.
Adding to 20010323005 its reverse (50032301002), we get a palindrome (70042624007).
The spelling of 20010323005 in words is "twenty billion, ten million, three hundred twenty-three thousand, five".
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