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43235431340 = 22516729129223
BaseRepresentation
bin101000010001000010…
…000101001110101100
311010121011002110220212
4220101002011032230
51202021232300330
631510113201552
73060262050143
oct502102051654
9133534073825
1043235431340
1117377301542
1284675602b8
13410047828a
14214217a75a
1511d0a83295
hexa110853ac

43235431340 has 24 divisors (see below), whose sum is σ = 90800535840. Its totient is φ = 17293004928.

The previous prime is 43235431333. The next prime is 43235431363. The reversal of 43235431340 is 4313453234.

It is a junction number, because it is equal to n+sod(n) for n = 43235431297 and 43235431306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269969 + ... + 399191.

It is an arithmetic number, because the mean of its divisors is an integer number (3783355660).

Almost surely, 243235431340 is an apocalyptic number.

It is an amenable number.

43235431340 is an abundant number, since it is smaller than the sum of its proper divisors (47565104500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43235431340 is a wasteful number, since it uses less digits than its factorization.

43235431340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145961 (or 145959 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 43235431340 its reverse (4313453234), we get a palindrome (47548884574).

The spelling of 43235431340 in words is "forty-three billion, two hundred thirty-five million, four hundred thirty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 16729 33458 66916 83645 129223 167290 258446 334580 516892 646115 1292230 2584460 2161771567 4323543134 8647086268 10808857835 21617715670 43235431340