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43405034231 = 1319716948471
BaseRepresentation
bin101000011011001001…
…000100001011110111
311011000222020012100102
4220123021010023313
51202343142043411
631535012304315
73064421463206
oct503311041367
9134028205312
1043405034231
1117454012719
1284b431209b
13412964b910
14215a8c923d
1511e08d5d3b
hexa1b2442f7

43405034231 has 8 divisors (see below), whose sum is σ = 46981164384. Its totient is φ = 39862801440.

The previous prime is 43405034213. The next prime is 43405034237. The reversal of 43405034231 is 13243050434.

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 43405034231 - 234 = 26225165047 is a prime.

It is a super-2 number, since 2×434050342312 (a number of 22 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 = 43405034194 and 43405034203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43405034237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8471675 + ... + 8476796.

It is an arithmetic number, because the mean of its divisors is an integer number (5872645548).

Almost surely, 243405034231 is an apocalyptic number.

43405034231 is a deficient number, since it is larger than the sum of its proper divisors (3576130153).

43405034231 is a wasteful number, since it uses less digits than its factorization.

43405034231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16948681.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 43405034231 its reverse (13243050434), we get a palindrome (56648084665).

The spelling of 43405034231 in words is "forty-three billion, four hundred five million, thirty-four thousand, two hundred thirty-one".

Divisors: 1 13 197 2561 16948471 220330123 3338848787 43405034231