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213432113141 = 1316417854857
BaseRepresentation
bin1100011011000110001…
…0111001011111110101
3202101220110011201202022
43012301202321133311
511444102110110031
6242014354522525
721264022012502
oct3066142713765
9671813151668
10213432113141
1182574955655
1235445b96445
1317185097210
14a489db04a9
1558427ce97b
hex31b18b97f5

213432113141 has 4 divisors (see below), whose sum is σ = 229849968012. Its totient is φ = 197014258272.

The previous prime is 213432113123. The next prime is 213432113183. The reversal of 213432113141 is 141311234312.

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 66214097041 + 147218016100 = 257321^2 + 383690^2 .

It is a de Polignac number, because none of the positive numbers 2k-213432113141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213432113141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213432116141) 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, 8208927416 + ... + 8208927441.

It is an arithmetic number, because the mean of its divisors is an integer number (57462492003).

Almost surely, 2213432113141 is an apocalyptic number.

It is an amenable number.

213432113141 is a deficient number, since it is larger than the sum of its proper divisors (16417854871).

213432113141 is a wasteful number, since it uses less digits than its factorization.

213432113141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16417854870.

The product of its digits is 1728, while the sum is 26.

Adding to 213432113141 its reverse (141311234312), we get a palindrome (354743347453).

The spelling of 213432113141 in words is "two hundred thirteen billion, four hundred thirty-two million, one hundred thirteen thousand, one hundred forty-one".

Divisors: 1 13 16417854857 213432113141