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20043341443441 = 179891114199869
BaseRepresentation
bin1001000111010101101000…
…01111110011000101110001
32121222010100221000221211201
410203222310033303011301
510111342230402142231
6110343441155411201
74136040454144201
oct443526417630561
977863327027751
1020043341443441
116428373796a88
1222b864a5b3b01
13b251046c9164
144d4162512401
1524b58edaa161
hex123ab43f3171

20043341443441 has 4 divisors (see below), whose sum is σ = 20044455661300. Its totient is φ = 20042227225584.

The previous prime is 20043341443387. The next prime is 20043341443519. The reversal of 20043341443441 is 14434414334002.

It is a happy number.

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 9937751856400 + 10105589587041 = 3152420^2 + 3178929^2 .

It is a cyclic number.

It is not a de Polignac number, because 20043341443441 - 27 = 20043341443313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20043341443441.

It is not an unprimeable number, because it can be changed into a prime (20043341441441) 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 3 ways as a sum of consecutive naturals, for example, 557081946 + ... + 557117923.

It is an arithmetic number, because the mean of its divisors is an integer number (5011113915325).

Almost surely, 220043341443441 is an apocalyptic number.

It is an amenable number.

20043341443441 is a deficient number, since it is larger than the sum of its proper divisors (1114217859).

20043341443441 is a wasteful number, since it uses less digits than its factorization.

20043341443441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114217858.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 20043341443441 its reverse (14434414334002), we get a palindrome (34477755777443).

The spelling of 20043341443441 in words is "twenty trillion, forty-three billion, three hundred forty-one million, four hundred forty-three thousand, four hundred forty-one".

Divisors: 1 17989 1114199869 20043341443441