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21002314041 = 33777863483
BaseRepresentation
bin10011100011110101…
…011110000100111001
32000012200120002122000
4103203311132010321
5321003043022131
613352012251213
71342312503162
oct234365360471
960180502560
1021002314041
1189a8293435
1240a1770b09
131c99245177
141033476769
1582dc57ce6
hex4e3d5e139

21002314041 has 8 divisors (see below), whose sum is σ = 31114539360. Its totient is φ = 14001542676.

The previous prime is 21002314037. The next prime is 21002314043. The reversal of 21002314041 is 14041320012.

It is not a de Polignac number, because 21002314041 - 22 = 21002314037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21002314043) 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 7 ways as a sum of consecutive naturals, for example, 388931715 + ... + 388931768.

It is an arithmetic number, because the mean of its divisors is an integer number (3889317420).

Almost surely, 221002314041 is an apocalyptic number.

It is an amenable number.

21002314041 is a deficient number, since it is larger than the sum of its proper divisors (10112225319).

21002314041 is an equidigital number, since it uses as much as digits as its factorization.

21002314041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777863492 (or 777863486 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 21002314041 its reverse (14041320012), we get a palindrome (35043634053).

The spelling of 21002314041 in words is "twenty-one billion, two million, three hundred fourteen thousand, forty-one".

Divisors: 1 3 9 27 777863483 2333590449 7000771347 21002314041