Base | Representation |
---|---|
bin | 10011100111010000101010… |
… | …00000010110111111001001 |
3 | 12122201020010201011000112022 |
4 | 21303220111000112333021 |
5 | 21123122041441031441 |
6 | 231421501052254225 |
7 | 12041032603035335 |
oct | 1163502500267711 |
9 | 178636121130468 |
10 | 43130414002121 |
11 | 12819562329896 |
12 | 4a06b68471375 |
13 | 1b0b2469a3b54 |
14 | a917478487c5 |
15 | 4ebdc380184b |
hex | 273a15016fc9 |
43130414002121 has 4 divisors (see below), whose sum is σ = 43130542903572. Its totient is φ = 43130285100672.
The previous prime is 43130414002087. The next prime is 43130414002141. The reversal of 43130414002121 is 12120041403134.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 16211293005625 + 26919120996496 = 4026325^2 + 5188364^2 .
It is a cyclic number.
It is not a de Polignac number, because 43130414002121 - 210 = 43130414001097 is a prime.
It is a super-2 number, since 2×431304140021212 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (43130414002141) 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, 63947516 + ... + 64618461.
It is an arithmetic number, because the mean of its divisors is an integer number (10782635725893).
Almost surely, 243130414002121 is an apocalyptic number.
It is an amenable number.
43130414002121 is a deficient number, since it is larger than the sum of its proper divisors (128901451).
43130414002121 is a wasteful number, since it uses less digits than its factorization.
43130414002121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128901450.
The product of its (nonzero) digits is 2304, while the sum is 26.
Adding to 43130414002121 its reverse (12120041403134), we get a palindrome (55250455405255).
The spelling of 43130414002121 in words is "forty-three trillion, one hundred thirty billion, four hundred fourteen million, two thousand, one hundred twenty-one".
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