Base | Representation |
---|---|
bin | 1001100110101101100000… |
… | …01111110100001010111101 |
3 | 2202210011210111011212021202 |
4 | 10303112300033310022331 |
5 | 10232022421122132201 |
6 | 112530555115105245 |
7 | 4306651531251434 |
oct | 463266017641275 |
9 | 82704714155252 |
10 | 21121311130301 |
11 | 6803552557708 |
12 | 2451550442225 |
13 | ba296729aa85 |
14 | 5303c3bc811b |
15 | 269631740c6b |
hex | 1335b03f42bd |
21121311130301 has 8 divisors (see below), whose sum is σ = 21320410780800. Its totient is φ = 20922990735600.
The previous prime is 21121311130291. The next prime is 21121311130307. The reversal of 21121311130301 is 10303111312112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 21121311130301 - 230 = 21120237388477 is a prime.
It is a super-2 number, since 2×211213111303012 (a number of 27 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 (21121311130307) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194759486 + ... + 194867903.
It is an arithmetic number, because the mean of its divisors is an integer number (2665051347600).
Almost surely, 221121311130301 is an apocalyptic number.
It is an amenable number.
21121311130301 is a deficient number, since it is larger than the sum of its proper divisors (199099650499).
21121311130301 is a wasteful number, since it uses less digits than its factorization.
21121311130301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 389627899.
The product of its (nonzero) digits is 108, while the sum is 20.
Adding to 21121311130301 its reverse (10303111312112), we get a palindrome (31424422442413).
The spelling of 21121311130301 in words is "twenty-one trillion, one hundred twenty-one billion, three hundred eleven million, one hundred thirty thousand, three hundred one".
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