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22030221013 = 71310284803
BaseRepresentation
bin10100100001000110…
…100111111011010101
32002212022202011220121
4110201012213323111
5330104214033023
614042012031541
71406633534413
oct244106477325
962768664817
1022030221013
119385538129
124329a625b1
1321011a3748
1410cdbaa2b3
1588e0ecd5d
hex5211a7ed5

22030221013 has 4 divisors (see below), whose sum is σ = 22340505888. Its totient is φ = 21719936140.

The previous prime is 22030221011. The next prime is 22030221019. The reversal of 22030221013 is 31012203022.

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 22030221013 - 21 = 22030221011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030221011) 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, 155142331 + ... + 155142472.

It is an arithmetic number, because the mean of its divisors is an integer number (5585126472).

Almost surely, 222030221013 is an apocalyptic number.

It is an amenable number.

22030221013 is a deficient number, since it is larger than the sum of its proper divisors (310284875).

22030221013 is an equidigital number, since it uses as much as digits as its factorization.

22030221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310284874.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22030221013 its reverse (31012203022), we get a palindrome (53042424035).

The spelling of 22030221013 in words is "twenty-two billion, thirty million, two hundred twenty-one thousand, thirteen".

Divisors: 1 71 310284803 22030221013