Base | Representation |
---|---|
bin | 111011101010111110110… |
… | …1110111011001010001101 |
3 | 1002001000201212111002012012 |
4 | 1313111331232323022031 |
5 | 2033332030204133010 |
6 | 25235325153351005 |
7 | 1504342300656530 |
oct | 167257556731215 |
9 | 32030655432165 |
10 | 8201202021005 |
11 | 2682123810624 |
12 | b05545b68465 |
13 | 4764a6c64666 |
14 | 204d24258a17 |
15 | e34eabc4005 |
hex | 7757dbbb28d |
8201202021005 has 32 divisors (see below), whose sum is σ = 11277550252800. Its totient is φ = 5608590930432.
The previous prime is 8201202020939. The next prime is 8201202021011. The reversal of 8201202021005 is 5001202021028.
It is not a de Polignac number, because 8201202021005 - 226 = 8201134912141 is a prime.
It is a super-2 number, since 2×82012020210052 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142370489 + ... + 142428081.
It is an arithmetic number, because the mean of its divisors is an integer number (352423445400).
Almost surely, 28201202021005 is an apocalyptic number.
It is an amenable number.
8201202021005 is a deficient number, since it is larger than the sum of its proper divisors (3076348231795).
8201202021005 is a wasteful number, since it uses less digits than its factorization.
8201202021005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68453.
The product of its (nonzero) digits is 640, while the sum is 23.
Adding to 8201202021005 its sum of digits (23), we get a palindrome (8201202021028).
The spelling of 8201202021005 in words is "eight trillion, two hundred one billion, two hundred two million, twenty-one thousand, five".
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