Search a number
-
+
202122212001 = 3124575408531
BaseRepresentation
bin1011110000111101101…
…1000011001010100001
3201022201020121020001220
42330033123003022201
511302421241241001
6232504220245253
720413530312003
oct2741733031241
9638636536056
10202122212001
11787a07a0516
123320a3a0829
13160a1bb6218
149ad5cb0373
1553ce927c36
hex2f0f6c32a1

202122212001 has 8 divisors (see below), whose sum is σ = 269517966624. Its totient is φ = 134737299360.

The previous prime is 202122211961. The next prime is 202122212069. The reversal of 202122212001 is 100212221202.

202122212001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 202122212001 - 26 = 202122211937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202122217001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2666895 + ... + 2741636.

It is an arithmetic number, because the mean of its divisors is an integer number (33689745828).

Almost surely, 2202122212001 is an apocalyptic number.

It is an amenable number.

202122212001 is a deficient number, since it is larger than the sum of its proper divisors (67395754623).

202122212001 is a wasteful number, since it uses less digits than its factorization.

202122212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5420991.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202122212001 its reverse (100212221202), we get a palindrome (302334433203).

The spelling of 202122212001 in words is "two hundred two billion, one hundred twenty-two million, two hundred twelve thousand, one".

Divisors: 1 3 12457 37371 5408531 16225593 67374070667 202122212001