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21350052044041 = 76150000121883
BaseRepresentation
bin1001101101010111100100…
…10001001001110100001001
32210121001012211120020111211
410312223302101021310021
510244244401310402131
6113224024542453121
74332330123036040
oct466536221116411
983531184506454
1021350052044041
116891562869786
1224899492941a1
13bbb3bbb70786
1453b4c3003557
1527056ced15b1
hex136af2449d09

21350052044041 has 8 divisors (see below), whose sum is σ = 24800060454464. Its totient is φ = 18000043877520.

The previous prime is 21350052044033. The next prime is 21350052044077. The reversal of 21350052044041 is 14044025005312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21350052044041 - 23 = 21350052044033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21350052043994 and 21350052044012.

It is not an unprimeable number, because it can be changed into a prime (21350052044141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25000060515 + ... + 25000061368.

It is an arithmetic number, because the mean of its divisors is an integer number (3100007556808).

Almost surely, 221350052044041 is an apocalyptic number.

It is an amenable number.

21350052044041 is a deficient number, since it is larger than the sum of its proper divisors (3450008410423).

21350052044041 is an equidigital number, since it uses as much as digits as its factorization.

21350052044041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50000121951.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 21350052044041 its reverse (14044025005312), we get a palindrome (35394077049353).

The spelling of 21350052044041 in words is "twenty-one trillion, three hundred fifty billion, fifty-two million, forty-four thousand, forty-one".

Divisors: 1 7 61 427 50000121883 350000853181 3050007434863 21350052044041