Search a number
-
+
2121014294785 = 51687432513899
BaseRepresentation
bin11110110111010110010…
…011011011100100000001
321111202201010120222100001
4132313112103123210001
5234222314124413120
64302214105200001
7306144466016101
oct36672623334401
97452633528301
102121014294785
11748576302661
122a3097490001
1312501a922269
147492c7c5201
153a28c039e0a
hex1edd64db901

2121014294785 has 8 divisors (see below), whose sum is σ = 2545233249600. Its totient is φ = 1696800705264.

The previous prime is 2121014294779. The next prime is 2121014294813. The reversal of 2121014294785 is 5874924101212.

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

It is a cyclic number.

It is not a de Polignac number, because 2121014294785 - 211 = 2121014292737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413235 + ... + 2100664.

It is an arithmetic number, because the mean of its divisors is an integer number (318154156200).

Almost surely, 22121014294785 is an apocalyptic number.

It is an amenable number.

2121014294785 is a deficient number, since it is larger than the sum of its proper divisors (424218954815).

2121014294785 is a wasteful number, since it uses less digits than its factorization.

2121014294785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682647.

The product of its (nonzero) digits is 322560, while the sum is 46.

Adding to 2121014294785 its reverse (5874924101212), we get a palindrome (7995938395997).

The spelling of 2121014294785 in words is "two trillion, one hundred twenty-one billion, fourteen million, two hundred ninety-four thousand, seven hundred eighty-five".

Divisors: 1 5 168743 843715 2513899 12569495 424202858957 2121014294785