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22145241301 = 171302661253
BaseRepresentation
bin10100100111111101…
…011001000011010101
32010011100011211002021
4110213331121003111
5330323140210201
614101241213141
71412531305501
oct244775310325
963140154067
1022145241301
119434458617
1243604911b1
13211bc75ba1
14110118b301
1589926cea1
hex527f590d5

22145241301 has 4 divisors (see below), whose sum is σ = 23447902572. Its totient is φ = 20842580032.

The previous prime is 22145241269. The next prime is 22145241367. The reversal of 22145241301 is 10314254122.

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 15320003076 + 6825238225 = 123774^2 + 82615^2 .

It is a cyclic number.

It is not a de Polignac number, because 22145241301 - 25 = 22145241269 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 (22145241901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651330610 + ... + 651330643.

It is an arithmetic number, because the mean of its divisors is an integer number (5861975643).

Almost surely, 222145241301 is an apocalyptic number.

It is an amenable number.

22145241301 is a deficient number, since it is larger than the sum of its proper divisors (1302661271).

22145241301 is a wasteful number, since it uses less digits than its factorization.

22145241301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302661270.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 22145241301 its reverse (10314254122), we get a palindrome (32459495423).

The spelling of 22145241301 in words is "twenty-two billion, one hundred forty-five million, two hundred forty-one thousand, three hundred one".

Divisors: 1 17 1302661253 22145241301