Search a number
-
+
210002012002021 = 3674591124637893
BaseRepresentation
bin101111101111111011100111…
…010100111101011011100101
31000112112222220021210121022011
4233233323213110331123211
5210011133110033031041
62022345331550434221
762143100424502201
oct5757734724753345
91015488807717264
10210002012002021
1160a05398041258
121b677968b02971
139024149204635
1439c021a053b01
15194297a965e81
hexbefee753d6e5

210002012002021 has 8 divisors (see below), whose sum is σ = 210620093003264. Its totient is φ = 209384180286480.

The previous prime is 210002012002001. The next prime is 210002012002037. The reversal of 210002012002021 is 120200210200012.

It is a happy number.

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 210002012002021 - 225 = 210001978447589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210002012001992 and 210002012002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210002012002001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60634050 + ... + 64003843.

It is an arithmetic number, because the mean of its divisors is an integer number (26327511625408).

Almost surely, 2210002012002021 is an apocalyptic number.

It is an amenable number.

210002012002021 is a deficient number, since it is larger than the sum of its proper divisors (618081001243).

210002012002021 is a wasteful number, since it uses less digits than its factorization.

210002012002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124642851.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210002012002021 its reverse (120200210200012), we get a palindrome (330202222202033).

The spelling of 210002012002021 in words is "two hundred ten trillion, two billion, twelve million, two thousand, twenty-one".

Divisors: 1 367 4591 1684897 124637893 45742106731 572212566763 210002012002021