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21030041002012 = 2271611146618639
BaseRepresentation
bin1001100100000011100000…
…00111111010000000011100
32202110110012201022221200221
410302001300013322000130
510224024010444031022
6112421022323331124
74300241010050110
oct462016007720034
982413181287627
1021030041002012
116778876991419
12243791a220aa4
13b9718029c2c3
14529c06343740
1526708db24cc7
hex1320701fa01c

21030041002012 has 24 divisors (see below), whose sum is σ = 42062693550080. Its totient is φ = 9012315098160.

The previous prime is 21030041002007. The next prime is 21030041002027. The reversal of 21030041002012 is 21020014003012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22858212 + ... + 23760427.

Almost surely, 221030041002012 is an apocalyptic number.

It is an amenable number.

21030041002012 is an abundant number, since it is smaller than the sum of its proper divisors (21032652548068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21030041002012 is a wasteful number, since it uses less digits than its factorization.

21030041002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46634761 (or 46634759 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21030041002012 its reverse (21020014003012), we get a palindrome (42050055005024).

The spelling of 21030041002012 in words is "twenty-one trillion, thirty billion, forty-one million, two thousand, twelve".

Divisors: 1 2 4 7 14 28 16111 32222 64444 112777 225554 451108 46618639 93237278 186474556 326330473 652660946 1305321892 751072892929 1502145785858 3004291571716 5257510250503 10515020501006 21030041002012