Search a number
-
+
21000210110002 = 253198115189717
BaseRepresentation
bin1001100011001011111100…
…00100000101011000110010
32202100121012202020121212201
410301211332010011120302
510223031412242010002
6112355210252013414
74265133532463344
oct461457604053062
982317182217781
1021000210110002
116767159150762
122431b93a6126a
13b94407c66506
145285b6559294
152663e4ca2087
hex13197e105632

21000210110002 has 8 divisors (see below), whose sum is σ = 32094660734316. Its totient is φ = 10301989865232.

The previous prime is 21000210109981. The next prime is 21000210110027. The reversal of 21000210110002 is 20001101200012.

It can be written as a sum of positive squares in 2 ways, for example, as 20989216797201 + 10993312801 = 4581399^2 + 104849^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99057594753 + ... + 99057594964.

Almost surely, 221000210110002 is an apocalyptic number.

21000210110002 is a deficient number, since it is larger than the sum of its proper divisors (11094450624314).

21000210110002 is a wasteful number, since it uses less digits than its factorization.

21000210110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198115189772.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 21000210110002 its reverse (20001101200012), we get a palindrome (41001311310014).

The spelling of 21000210110002 in words is "twenty-one trillion, two hundred ten million, one hundred ten thousand, two".

Divisors: 1 2 53 106 198115189717 396230379434 10500105055001 21000210110002