Search a number
-
+
2121003033122 = 21875756538973
BaseRepresentation
bin11110110111010101101…
…000011110001000100010
321111202200100101211020102
4132313111220132020202
5234222303234024442
64302213023542402
7306144301213211
oct36672550361042
97452610354212
102121003033122
1174856aa105a6
122a309375aa02
131250184ab35c
147492b0d3078
153a28b063232
hex1edd5a1e222

2121003033122 has 8 divisors (see below), whose sum is σ = 3181674222876. Its totient is φ = 1060444958832.

The previous prime is 2121003033103. The next prime is 2121003033169. The reversal of 2121003033122 is 2213303001212.

It can be written as a sum of positive squares in 2 ways, for example, as 2067933156961 + 53069876161 = 1438031^2 + 230369^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2121003033094 and 2121003033103.

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, 28231973 + ... + 28307000.

Almost surely, 22121003033122 is an apocalyptic number.

2121003033122 is a deficient number, since it is larger than the sum of its proper divisors (1060671189754).

2121003033122 is a wasteful number, since it uses less digits than its factorization.

2121003033122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56557732.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2121003033122 its reverse (2213303001212), we get a palindrome (4334306034334).

The spelling of 2121003033122 in words is "two trillion, one hundred twenty-one billion, three million, thirty-three thousand, one hundred twenty-two".

Divisors: 1 2 18757 37514 56538973 113077946 1060501516561 2121003033122