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20104104310444 = 22711202932170067
BaseRepresentation
bin1001001001000110110011…
…11111101111011010101100
32122011221012121002102101101
410210203121333233122230
510113341201200413234
6110431410434452444
74143321306041020
oct444433177573254
978157177072341
1020104104310444
116451114852340
122308387a34124
13b2aa6920762b
144d7088426380
1524ce4959c814
hex1248d9fef6ac

20104104310444 has 48 divisors (see below), whose sum is σ = 43885119962880. Its totient is φ = 7828907261760.

The previous prime is 20104104310429. The next prime is 20104104310487. The reversal of 20104104310444 is 44401340140102.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15460102 + ... + 16709965.

It is an arithmetic number, because the mean of its divisors is an integer number (914273332560).

Almost surely, 220104104310444 is an apocalyptic number.

It is an amenable number.

20104104310444 is an abundant number, since it is smaller than the sum of its proper divisors (23781015652436).

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

20104104310444 is a wasteful number, since it uses less digits than its factorization.

20104104310444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32172118 (or 32172116 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 20104104310444 its reverse (44401340140102), we get a palindrome (64505444450546).

The spelling of 20104104310444 in words is "twenty trillion, one hundred four billion, one hundred four million, three hundred ten thousand, four hundred forty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 2029 4058 8116 14203 22319 28406 44638 56812 89276 156233 312466 624932 32170067 64340134 128680268 225190469 353870737 450380938 707741474 900761876 1415482948 2477095159 4954190318 9908380636 65273065943 130546131886 261092263772 456911461601 718003725373 913822923202 1436007450746 1827645846404 2872014901492 5026026077611 10052052155222 20104104310444