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404430143123013 = 37289761643107843
BaseRepresentation
bin101101111110100111011101…
…1000001000110111001000101
31222000222010220001010111022020
41123331032323001012321011
5411002140413114414023
63552052350504553353
7151121053652103540
oct13375167301067105
91860863801114266
10404430143123013
11107955951359077
1239439330782859
13144887a28ab587
1471c27481ad857
1531b5251e7cde3
hex16fd3bb046e45

404430143123013 has 32 divisors (see below), whose sum is σ = 616502949866496. Its totient is φ = 231017275792128.

The previous prime is 404430143122997. The next prime is 404430143123087. The reversal of 404430143123013 is 310321341034404.

It is not a de Polignac number, because 404430143123013 - 24 = 404430143122997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404430143128013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3750121270 + ... + 3750229112.

It is an arithmetic number, because the mean of its divisors is an integer number (19265717183328).

Almost surely, 2404430143123013 is an apocalyptic number.

It is an amenable number.

404430143123013 is a deficient number, since it is larger than the sum of its proper divisors (212072806743483).

404430143123013 is a wasteful number, since it uses less digits than its factorization.

404430143123013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172393.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 404430143123013 its reverse (310321341034404), we get a palindrome (714751484157417).

The spelling of 404430143123013 in words is "four hundred four trillion, four hundred thirty billion, one hundred forty-three million, one hundred twenty-three thousand, thirteen".

Divisors: 1 3 7 21 2897 8691 20279 60837 61643 107843 184929 323529 431501 754901 1294503 2264703 178579771 312421171 535739313 937263513 1250058397 2186948197 3750175191 6560844591 6647766049 19943298147 46534362343 139603087029 19258578243953 57775734731859 134810047707671 404430143123013