Base | Representation |
---|---|
bin | 1001101001000000101100… |
… | …01010000111000011010011 |
3 | 2210001201202110201201102012 |
4 | 10310200112022013003103 |
5 | 10234321234030302011 |
6 | 113031144114413135 |
7 | 4315446643304132 |
oct | 464402612070323 |
9 | 83051673651365 |
10 | 21200330322131 |
11 | 6834011859024 |
12 | 24649238911ab |
13 | baa24b15500c |
14 | 53415c5ad919 |
15 | 26b708a6ea8b |
hex | 1348162870d3 |
21200330322131 has 8 divisors (see below), whose sum is σ = 22454863764624. Its totient is φ = 19946625233920.
The previous prime is 21200330322113. The next prime is 21200330322137. The reversal of 21200330322131 is 13122303300212.
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 21200330322131 - 238 = 20925452415187 is a prime.
It is a super-2 number, since 2×212003303221312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 21200330322097 and 21200330322106.
It is not an unprimeable number, because it can be changed into a prime (21200330322137) 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, 207035870 + ... + 207138243.
It is an arithmetic number, because the mean of its divisors is an integer number (2806857970578).
Almost surely, 221200330322131 is an apocalyptic number.
21200330322131 is a deficient number, since it is larger than the sum of its proper divisors (1254533442493).
21200330322131 is a wasteful number, since it uses less digits than its factorization.
21200330322131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 414177141.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 21200330322131 its reverse (13122303300212), we get a palindrome (34322633622343).
The spelling of 21200330322131 in words is "twenty-one trillion, two hundred billion, three hundred thirty million, three hundred twenty-two thousand, one hundred thirty-one".
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