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131421444004234 = 21941233936063557
BaseRepresentation
bin11101111000011011110000…
…011111000101100110001010
3122020022202201101200100220201
4131320123300133011212022
5114211202104131113414
61143302102232042414
736452612616324346
oct3570336037054612
9566282641610821
10131421444004234
1138969580a9926a
12128a643383340a
135843cb1a81757
142464b90778626
15102d89010c574
hex7786f07c598a

131421444004234 has 32 divisors (see below), whose sum is σ = 212659588814400. Its totient is φ = 60707947628160.

The previous prime is 131421444004229. The next prime is 131421444004273. The reversal of 131421444004234 is 432400444124131.

It is a junction number, because it is equal to n+sod(n) for n = 131421444004193 and 131421444004202.

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, 14387617 + ... + 21675940.

It is an arithmetic number, because the mean of its divisors is an integer number (6645612150450).

Almost surely, 2131421444004234 is an apocalyptic number.

131421444004234 is a deficient number, since it is larger than the sum of its proper divisors (81238144810166).

131421444004234 is a wasteful number, since it uses less digits than its factorization.

131421444004234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36065958.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 131421444004234 its reverse (432400444124131), we get a palindrome (563821888128365).

The spelling of 131421444004234 in words is "one hundred thirty-one trillion, four hundred twenty-one billion, four hundred forty-four million, four thousand, two hundred thirty-four".

Divisors: 1 2 19 38 41 82 779 1558 2339 4678 44441 88882 95899 191798 1822081 3644162 36063557 72127114 685207583 1370415166 1478605837 2957211674 28093510903 56187021806 84352659823 168705319646 1602700536637 3205401073274 3458459052743 6916918105486 65710722002117 131421444004234