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21614223731141 = 53407815542097
BaseRepresentation
bin1001110101000011101000…
…01000001010100111000101
32211112022002102012101122002
410322201310020022213011
510313111412233344031
6113545234242515045
74360401420240566
oct472416410124705
984468072171562
1021614223731141
1169835a48a6228
122510b93965a85
13c0a29bc91722
1454a1c3a2016d
15277380043ccb
hex13a87420a9c5

21614223731141 has 4 divisors (see below), whose sum is σ = 22022039273292. Its totient is φ = 21206408188992.

The previous prime is 21614223731131. The next prime is 21614223731179. The reversal of 21614223731141 is 14113732241612.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10027545556900 + 11586678174241 = 3166630^2 + 3403921^2 .

It is a cyclic number.

It is not a de Polignac number, because 21614223731141 - 214 = 21614223714757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21614223731095 and 21614223731104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21614223731101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203907770996 + ... + 203907771101.

It is an arithmetic number, because the mean of its divisors is an integer number (5505509818323).

Almost surely, 221614223731141 is an apocalyptic number.

It is an amenable number.

21614223731141 is a deficient number, since it is larger than the sum of its proper divisors (407815542151).

21614223731141 is an equidigital number, since it uses as much as digits as its factorization.

21614223731141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407815542150.

The product of its digits is 48384, while the sum is 38.

Adding to 21614223731141 its reverse (14113732241612), we get a palindrome (35727955972753).

The spelling of 21614223731141 in words is "twenty-one trillion, six hundred fourteen billion, two hundred twenty-three million, seven hundred thirty-one thousand, one hundred forty-one".

Divisors: 1 53 407815542097 21614223731141