Base | Representation |
---|---|
bin | 10010101010100010… |
… | …011010000010011011 |
3 | 1220201200201001212112 |
4 | 102222202122002123 |
5 | 312020444443301 |
6 | 13112352302535 |
7 | 1306430551322 |
oct | 225242320233 |
9 | 56650631775 |
10 | 20041015451 |
11 | 85546a3596 |
12 | 3a73841a4b |
13 | 1b75038732 |
14 | d819210b9 |
15 | 7c466d9bb |
hex | 4aa89a09b |
20041015451 has 8 divisors (see below), whose sum is σ = 20433574080. Its totient is φ = 19648991232.
The previous prime is 20041015427. The next prime is 20041015469. The reversal of 20041015451 is 15451014002.
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 20041015451 - 214 = 20040999067 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20041015051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57446 + ... + 208283.
It is an arithmetic number, because the mean of its divisors is an integer number (2554196760).
Almost surely, 220041015451 is an apocalyptic number.
20041015451 is a deficient number, since it is larger than the sum of its proper divisors (392558629).
20041015451 is a wasteful number, since it uses less digits than its factorization.
20041015451 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 267205.
The product of its (nonzero) digits is 800, while the sum is 23.
Adding to 20041015451 its reverse (15451014002), we get a palindrome (35492029453).
The spelling of 20041015451 in words is "twenty billion, forty-one million, fifteen thousand, four hundred fifty-one".
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