Search a number
-
+
43211230013 = 722338341819
BaseRepresentation
bin101000001111100101…
…110000101100111101
311010112110112220221102
4220033211300230331
51201444033330023
631503450342445
73056546252300
oct501745605475
9133473486842
1043211230013
1117364681746
12845b42aa25
1340c8453773
14213cc7ab37
1511cd8a2628
hexa0f970b3d

43211230013 has 12 divisors (see below), whose sum is σ = 52451609760. Its totient is φ = 35427839832.

The previous prime is 43211230001. The next prime is 43211230019. The reversal of 43211230013 is 31003211234.

It is not a de Polignac number, because 43211230013 - 28 = 43211229757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43211230019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19169783 + ... + 19172036.

It is an arithmetic number, because the mean of its divisors is an integer number (4370967480).

Almost surely, 243211230013 is an apocalyptic number.

It is an amenable number.

43211230013 is a deficient number, since it is larger than the sum of its proper divisors (9240379747).

43211230013 is a wasteful number, since it uses less digits than its factorization.

43211230013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38341856 (or 38341849 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 43211230013 its reverse (31003211234), we get a palindrome (74214441247).

The spelling of 43211230013 in words is "forty-three billion, two hundred eleven million, two hundred thirty thousand, thirteen".

Divisors: 1 7 23 49 161 1127 38341819 268392733 881861837 1878749131 6173032859 43211230013