Search a number
-
+
213214021201 = 223956116687
BaseRepresentation
bin1100011010010010001…
…0111100011001010001
3202101100020210111212001
43012210202330121101
511443130242134301
6241541004234001
721255433164106
oct3064442743121
9671306714761
10213214021201
1182472835985
12353a4b3b901
131714bb4712c
14a46903caad
15582d59ec01
hex31a48bc651

213214021201 has 4 divisors (see below), whose sum is σ = 214170138112. Its totient is φ = 212257904292.

The previous prime is 213214021177. The next prime is 213214021211. The reversal of 213214021201 is 102120412312.

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 a cyclic number.

It is not a de Polignac number, because 213214021201 - 25 = 213214021169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213214021211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478058121 + ... + 478058566.

It is an arithmetic number, because the mean of its divisors is an integer number (53542534528).

Almost surely, 2213214021201 is an apocalyptic number.

It is an amenable number.

213214021201 is a deficient number, since it is larger than the sum of its proper divisors (956116911).

213214021201 is an equidigital number, since it uses as much as digits as its factorization.

213214021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956116910.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 213214021201 its reverse (102120412312), we get a palindrome (315334433513).

The spelling of 213214021201 in words is "two hundred thirteen billion, two hundred fourteen million, twenty-one thousand, two hundred one".

Divisors: 1 223 956116687 213214021201