Base | Representation |
---|---|
bin | 1001010011010100011010… |
… | …00101111101001101000111 |
3 | 2200102110221012220010022120 |
4 | 10221222031011331031013 |
5 | 10140113320330144143 |
6 | 111300521541301023 |
7 | 4210553001144654 |
oct | 451521505751507 |
9 | 80373835803276 |
10 | 20455001412423 |
11 | 6576a10044686 |
12 | 2364396704773 |
13 | b54b8a8c6516 |
14 | 50a05509cc2b |
15 | 257135259383 |
hex | 129a8d17d347 |
20455001412423 has 16 divisors (see below), whose sum is σ = 27857872014336. Its totient is φ = 13344487815200.
The previous prime is 20455001412343. The next prime is 20455001412493. The reversal of 20455001412423 is 32421410055402.
It is a cyclic number.
It is not a de Polignac number, because 20455001412423 - 210 = 20455001411399 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20455001412493) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10148736 + ... + 11996117.
It is an arithmetic number, because the mean of its divisors is an integer number (1741117000896).
Almost surely, 220455001412423 is an apocalyptic number.
20455001412423 is a deficient number, since it is larger than the sum of its proper divisors (7402870601913).
20455001412423 is a wasteful number, since it uses less digits than its factorization.
20455001412423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22151454.
The product of its (nonzero) digits is 38400, while the sum is 33.
Adding to 20455001412423 its reverse (32421410055402), we get a palindrome (52876411467825).
The spelling of 20455001412423 in words is "twenty trillion, four hundred fifty-five billion, one million, four hundred twelve thousand, four hundred twenty-three".
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