Base | Representation |
---|---|
bin | 1001001111000111001010… |
… | …10101100111000101000101 |
3 | 2122220122211101121010022112 |
4 | 10213203211111213011011 |
5 | 10130231301433214140 |
6 | 111110254315510405 |
7 | 4164244650126143 |
oct | 447434525470505 |
9 | 78818741533275 |
10 | 20310453023045 |
11 | 652068426a259 |
12 | 2340375758405 |
13 | b44362917783 |
14 | 50306176a593 |
15 | 2534c508bc65 |
hex | 1278e5567145 |
20310453023045 has 64 divisors (see below), whose sum is σ = 26844803758080. Its totient is φ = 14705092055808.
The previous prime is 20310453023033. The next prime is 20310453023071. The reversal of 20310453023045 is 54032035401302.
It is a cyclic number.
It is not a de Polignac number, because 20310453023045 - 210 = 20310453022021 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41288546 + ... + 41777564.
It is an arithmetic number, because the mean of its divisors is an integer number (419450058720).
Almost surely, 220310453023045 is an apocalyptic number.
It is an amenable number.
20310453023045 is a deficient number, since it is larger than the sum of its proper divisors (6534350735035).
20310453023045 is a wasteful number, since it uses less digits than its factorization.
20310453023045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 489354.
The product of its (nonzero) digits is 43200, while the sum is 32.
Adding to 20310453023045 its reverse (54032035401302), we get a palindrome (74342488424347).
The spelling of 20310453023045 in words is "twenty trillion, three hundred ten billion, four hundred fifty-three million, twenty-three thousand, forty-five".
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