Base | Representation |
---|---|
bin | 1001010010101000010000… |
… | …11101100101011101011100 |
3 | 2200100012202112010202202221 |
4 | 10221110020131211131130 |
5 | 10134221301124303122 |
6 | 111242002115555124 |
7 | 4206053460314020 |
oct | 451241035453534 |
9 | 80305675122687 |
10 | 20431301400412 |
11 | 6567958aa78a1 |
12 | 235b8815bbaa4 |
13 | b528817c2686 |
14 | 508c47632380 |
15 | 2566e97736c7 |
hex | 12950876575c |
20431301400412 has 96 divisors (see below), whose sum is σ = 41132817048960. Its totient is φ = 8698599936000.
The previous prime is 20431301400397. The next prime is 20431301400427. The reversal of 20431301400412 is 21400410313402.
It is an interprime number because it is at equal distance from previous prime (20431301400397) and next prime (20431301400427).
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, 6808162912 + ... + 6808165912.
It is an arithmetic number, because the mean of its divisors is an integer number (428466844260).
Almost surely, 220431301400412 is an apocalyptic number.
It is an amenable number.
20431301400412 is an abundant number, since it is smaller than the sum of its proper divisors (20701515648548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20431301400412 is a wasteful number, since it uses less digits than its factorization.
20431301400412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5711 (or 5709 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 20431301400412 its reverse (21400410313402), we get a palindrome (41831711713814).
The spelling of 20431301400412 in words is "twenty trillion, four hundred thirty-one billion, three hundred one million, four hundred thousand, four hundred twelve".
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