Base | Representation |
---|---|
bin | 10011111000000101… |
… | …010001010000001101 |
3 | 2001002100201221100200 |
4 | 103320011101100031 |
5 | 322202023001031 |
6 | 13445425044113 |
7 | 1353606002520 |
oct | 237005212015 |
9 | 61070657320 |
10 | 21342000141 |
11 | 9062003650 |
12 | 4177486639 |
13 | 2021729967 |
14 | 106661abb7 |
15 | 84d9a58e6 |
hex | 4f815140d |
21342000141 has 48 divisors (see below), whose sum is σ = 40694928768. Its totient is φ = 10434585600.
The previous prime is 21342000133. The next prime is 21342000161. The reversal of 21342000141 is 14100024312.
It is not a de Polignac number, because 21342000141 - 23 = 21342000133 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21342000161) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 894000 + ... + 917561.
It is an arithmetic number, because the mean of its divisors is an integer number (847811016).
Almost surely, 221342000141 is an apocalyptic number.
21342000141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
21342000141 is a deficient number, since it is larger than the sum of its proper divisors (19352928627).
21342000141 is a wasteful number, since it uses less digits than its factorization.
21342000141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1811602 (or 1811599 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 21342000141 its reverse (14100024312), we get a palindrome (35442024453).
The spelling of 21342000141 in words is "twenty-one billion, three hundred forty-two million, one hundred forty-one", and thus it is an aban number.
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