Base | Representation |
---|---|
bin | 1001101001000100001110… |
… | …11101000111110100011011 |
3 | 2210001220122221102211120012 |
4 | 10310202013131013310123 |
5 | 10234334132132201134 |
6 | 113032100455352135 |
7 | 4315545024024152 |
oct | 464420735076433 |
9 | 83056587384505 |
10 | 21202231131419 |
11 | 68348a7807198 |
12 | 246517438264b |
13 | baa491bb0040 |
14 | 53429cc08599 |
15 | 26b7ba88c6ce |
hex | 134887747d1b |
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".
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