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43130414002121 = 335473128565977
BaseRepresentation
bin10011100111010000101010…
…00000010110111111001001
312122201020010201011000112022
421303220111000112333021
521123122041441031441
6231421501052254225
712041032603035335
oct1163502500267711
9178636121130468
1043130414002121
1112819562329896
124a06b68471375
131b0b2469a3b54
14a917478487c5
154ebdc380184b
hex273a15016fc9

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".

Divisors: 1 335473 128565977 43130414002121