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438352620043 = 1354162327971
BaseRepresentation
bin1100110000011111101…
…10100010101000001011
31112220110112210100000211
412120033312202220023
524140221232320133
6533213145541551
743445533535542
oct6301766425013
91486415710024
10438352620043
111599a46984a8
1270b574a48b7
133244b309160
1417305a65159
15b608972bcd
hex660fda2a0b

438352620043 has 8 divisors (see below), whose sum is σ = 472944651536. Its totient is φ = 403885245600.

The previous prime is 438352620037. The next prime is 438352620053. The reversal of 438352620043 is 340026253834.

It is a happy number.

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 438352620043 - 29 = 438352619531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 438352619978 and 438352620005.

It is not an unprimeable number, because it can be changed into a prime (438352620053) 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 7 ways as a sum of consecutive naturals, for example, 31156953 + ... + 31171018.

It is an arithmetic number, because the mean of its divisors is an integer number (59118081442).

Almost surely, 2438352620043 is an apocalyptic number.

438352620043 is a deficient number, since it is larger than the sum of its proper divisors (34592031493).

438352620043 is a wasteful number, since it uses less digits than its factorization.

438352620043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62328525.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 438352620043 its reverse (340026253834), we get a palindrome (778378873877).

The spelling of 438352620043 in words is "four hundred thirty-eight billion, three hundred fifty-two million, six hundred twenty thousand, forty-three".

Divisors: 1 13 541 7033 62327971 810263623 33719432311 438352620043