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21202231131419 = 13107149102298241
BaseRepresentation
bin1001101001000100001110…
…11101000111110100011011
32210001220122221102211120012
410310202013131013310123
510234334132132201134
6113032100455352135
74315545024024152
oct464420735076433
983056587384505
1021202231131419
1168348a7807198
12246517438264b
13baa491bb0040
1453429cc08599
1526b7ba88c6ce
hex134887747d1b

21202231131419 has 16 divisors (see below), whose sum is σ = 23201241285600. Its totient is φ = 19258257469440.

The previous prime is 21202231131397. The next prime is 21202231131449. The reversal of 21202231131419 is 91413113220212.

It is a cyclic number.

It is not a de Polignac number, because 21202231131419 - 244 = 3610045087003 is a prime.

It is a super-2 number, since 2×212022311314192 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21202231131449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50941862 + ... + 51356379.

It is an arithmetic number, because the mean of its divisors is an integer number (1450077580350).

Almost surely, 221202231131419 is an apocalyptic number.

21202231131419 is a deficient number, since it is larger than the sum of its proper divisors (1999010154181).

21202231131419 is a wasteful number, since it uses less digits than its factorization.

21202231131419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102298510.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 21202231131419 in words is "twenty-one trillion, two hundred two billion, two hundred thirty-one million, one hundred thirty-one thousand, four hundred nineteen".

Divisors: 1 13 107 149 1391 1937 15943 207259 102298241 1329877133 10945911787 15242437909 142296853231 198151692817 1630940856263 21202231131419