Base | Representation |
---|---|
bin | 10011000100111100… |
… | …011111110110011101 |
3 | 1221212120101012022222 |
4 | 103010330133312131 |
5 | 313422410000441 |
6 | 13224340315125 |
7 | 1323420442121 |
oct | 230474376635 |
9 | 57776335288 |
10 | 20484062621 |
11 | 87617a0480 |
12 | 3b780a2aa5 |
13 | 1c15a6c819 |
14 | dc46cd581 |
15 | 7ed4d6d4b |
hex | 4c4f1fd9d |
20484062621 has 8 divisors (see below), whose sum is σ = 23522368800. Its totient is φ = 17641776240.
The previous prime is 20484062597. The next prime is 20484062629. The reversal of 20484062621 is 12626048402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-20484062621 is a prime.
It is a super-2 number, since 2×204840626212 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20484062629) 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, 49004726 + ... + 49005143.
It is an arithmetic number, because the mean of its divisors is an integer number (2940296100).
Almost surely, 220484062621 is an apocalyptic number.
It is an amenable number.
20484062621 is a deficient number, since it is larger than the sum of its proper divisors (3038306179).
20484062621 is a wasteful number, since it uses less digits than its factorization.
20484062621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98009899.
The product of its (nonzero) digits is 36864, while the sum is 35.
The spelling of 20484062621 in words is "twenty billion, four hundred eighty-four million, sixty-two thousand, six hundred twenty-one".
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