Search a number
-
+
214303102021 = 316913003291
BaseRepresentation
bin1100011110010101110…
…1011101010001000101
3202111011011002112212201
43013211131131101011
512002343043231041
6242241031114501
721324426211621
oct3074535352105
9674134075781
10214303102021
1182981572478
1235649812a31
1317293673a58
14a52d938181
155893eca631
hex31e575d445

214303102021 has 4 divisors (see below), whose sum is σ = 221216105344. Its totient is φ = 207390098700.

The previous prime is 214303102009. The next prime is 214303102033. The reversal of 214303102021 is 120201303412.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (214303102009) and next prime (214303102033).

It is a cyclic number.

It is not a de Polignac number, because 214303102021 - 231 = 212155618373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214303102021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214303102921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3456501615 + ... + 3456501676.

It is an arithmetic number, because the mean of its divisors is an integer number (55304026336).

Almost surely, 2214303102021 is an apocalyptic number.

It is an amenable number.

214303102021 is a deficient number, since it is larger than the sum of its proper divisors (6913003323).

214303102021 is an equidigital number, since it uses as much as digits as its factorization.

214303102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6913003322.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 214303102021 its reverse (120201303412), we get a palindrome (334504405433).

The spelling of 214303102021 in words is "two hundred fourteen billion, three hundred three million, one hundred two thousand, twenty-one".

Divisors: 1 31 6913003291 214303102021