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22220130313 = 171307066489
BaseRepresentation
bin10100101100011011…
…000100100000001001
32010100120002120111101
4110230123010200021
5331001323132223
614112514301401
71414430664013
oct245433044011
963316076441
1022220130313
119472758867
124381587861
132131636b04
14110b0c31b3
158a0b124ad
hex52c6c4809

22220130313 has 4 divisors (see below), whose sum is σ = 23527196820. Its totient is φ = 20913063808.

The previous prime is 22220130311. The next prime is 22220130319. The reversal of 22220130313 is 31303102222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19439888329 + 2780241984 = 139427^2 + 52728^2 .

It is not a de Polignac number, because 22220130313 - 21 = 22220130311 is a prime.

It is a super-2 number, since 2×222201303132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22220130311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653533228 + ... + 653533261.

It is an arithmetic number, because the mean of its divisors is an integer number (5881799205).

Almost surely, 222220130313 is an apocalyptic number.

It is an amenable number.

22220130313 is a deficient number, since it is larger than the sum of its proper divisors (1307066507).

22220130313 is a wasteful number, since it uses less digits than its factorization.

22220130313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307066506.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22220130313 its reverse (31303102222), we get a palindrome (53523232535).

The spelling of 22220130313 in words is "twenty-two billion, two hundred twenty million, one hundred thirty thousand, three hundred thirteen".

Divisors: 1 17 1307066489 22220130313