Base | Representation |
---|---|
bin | 10010101010011111… |
… | …010110011101000111 |
3 | 1220201122012100221212 |
4 | 102222133112131013 |
5 | 312020243324333 |
6 | 13112323202035 |
7 | 1306421003612 |
oct | 225237263507 |
9 | 56648170855 |
10 | 20040214343 |
11 | 85541a6716 |
12 | 3a7351631b |
13 | 1b74b17bc6 |
14 | d81793179 |
15 | 7c4561448 |
hex | 4aa7d6747 |
20040214343 has 4 divisors (see below), whose sum is σ = 20040501000. Its totient is φ = 20039927688.
The previous prime is 20040214307. The next prime is 20040214373. The reversal of 20040214343 is 34341204002.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 20040214343 - 224 = 20023437127 is a prime.
It is a super-2 number, since 2×200402143432 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20040214373) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38033 + ... + 203781.
It is an arithmetic number, because the mean of its divisors is an integer number (5010125250).
Almost surely, 220040214343 is an apocalyptic number.
20040214343 is a deficient number, since it is larger than the sum of its proper divisors (286657).
20040214343 is a wasteful number, since it uses less digits than its factorization.
20040214343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286656.
The product of its (nonzero) digits is 2304, while the sum is 23.
Adding to 20040214343 its reverse (34341204002), we get a palindrome (54381418345).
The spelling of 20040214343 in words is "twenty billion, forty million, two hundred fourteen thousand, three hundred forty-three".
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