Base | Representation |
---|---|
bin | 1001101100001101001110… |
… | …11001110101101101101110 |
3 | 2210110020012101111121021202 |
4 | 10312012213121311231232 |
5 | 10243121132134333032 |
6 | 113153424353325502 |
7 | 4326415111362056 |
oct | 466064731655556 |
9 | 83406171447252 |
10 | 21310141324142 |
11 | 6876642250150 |
12 | 248206b266892 |
13 | bb76cb44a598 |
14 | 5395b8636566 |
15 | 26e4d4282d62 |
hex | 1361a7675b6e |
21310141324142 has 32 divisors (see below), whose sum is σ = 36204085499904. Its totient is φ = 9319777653600.
The previous prime is 21310141324141. The next prime is 21310141324163. The reversal of 21310141324142 is 24142314101312.
It is a super-3 number, since 3×213101413241423 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21310141324141) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90189938 + ... + 90425909.
It is an arithmetic number, because the mean of its divisors is an integer number (1131377671872).
Almost surely, 221310141324142 is an apocalyptic number.
21310141324142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
21310141324142 is a deficient number, since it is larger than the sum of its proper divisors (14893944175762).
21310141324142 is a wasteful number, since it uses less digits than its factorization.
21310141324142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180616064.
The product of its (nonzero) digits is 4608, while the sum is 29.
Adding to 21310141324142 its reverse (24142314101312), we get a palindrome (45452455425454).
The spelling of 21310141324142 in words is "twenty-one trillion, three hundred ten billion, one hundred forty-one million, three hundred twenty-four thousand, one hundred forty-two".
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