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43440131055101 = 115373173497661
BaseRepresentation
bin10011110000010001100011…
…00101001001110111111101
312200210211120102102111001112
421320020301211021313331
521143210342022230401
6232220042023451405
712102305641406354
oct1170106145116775
9180724512374045
1043440131055101
1112928946553890
124a56ba3bb6b65
131b315049b3041
14aa27292d899b
15504e9e0cc3bb
hex278231949dfd

43440131055101 has 8 divisors (see below), whose sum is σ = 47390116495008. Its totient is φ = 39490292718000.

The previous prime is 43440131055047. The next prime is 43440131055103. The reversal of 43440131055101 is 10155013104434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-43440131055101 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 (43440131055103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36157790 + ... + 37339871.

It is an arithmetic number, because the mean of its divisors is an integer number (5923764561876).

Almost surely, 243440131055101 is an apocalyptic number.

It is an amenable number.

43440131055101 is a deficient number, since it is larger than the sum of its proper divisors (3949985439907).

43440131055101 is a wasteful number, since it uses less digits than its factorization.

43440131055101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73551403.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 43440131055101 its reverse (10155013104434), we get a palindrome (53595144159535).

The spelling of 43440131055101 in words is "forty-three trillion, four hundred forty billion, one hundred thirty-one million, fifty-five thousand, one hundred one".

Divisors: 1 11 53731 591041 73497661 808474271 3949102823191 43440131055101