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21002210200005 = 351400147346667
BaseRepresentation
bin1001100011001111101010…
…10001110100100111000101
32202100210101010202201120020
410301213311101310213011
510223100011302400010
6112400140540525353
74265234230121466
oct461476521644705
982323333681506
1021002210200005
116767a95149a01
122432451850859
13b94666442818
14528726038d6d
152664b0681470
hex1319f54749c5

21002210200005 has 8 divisors (see below), whose sum is σ = 33603536320032. Its totient is φ = 11201178773328.

The previous prime is 21002210199959. The next prime is 21002210200019. The reversal of 21002210200005 is 50000201220012.

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

It is not a de Polignac number, because 21002210200005 - 213 = 21002210191813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 1400147346667 = 21002210200005 / (2 + 1 + 0 + 0 + 2 + 2 + 1 + 0 + 2 + 0 + 0 + 0 + 0 + 5).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 700073673319 + ... + 700073673348.

It is an arithmetic number, because the mean of its divisors is an integer number (4200442040004).

Almost surely, 221002210200005 is an apocalyptic number.

It is an amenable number.

21002210200005 is a deficient number, since it is larger than the sum of its proper divisors (12601326120027).

21002210200005 is a wasteful number, since it uses less digits than its factorization.

21002210200005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400147346675.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 21002210200005 its reverse (50000201220012), we get a palindrome (71002411420017).

The spelling of 21002210200005 in words is "twenty-one trillion, two billion, two hundred ten million, two hundred thousand, five".

Divisors: 1 3 5 15 1400147346667 4200442040001 7000736733335 21002210200005