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12722304106 = 211356293381
BaseRepresentation
bin10111101100100111…
…01111010001101010
31012211122021000022101
423312103233101222
5202023402212411
65502231044014
7630161541421
oct136623572152
935748230271
1012722304106
115439455416
12257081060a
1312799b2cc5
148899202b8
154e6d9b8c1
hex2f64ef46a

12722304106 has 8 divisors (see below), whose sum is σ = 19252336644. Its totient is φ = 6304858560.

The previous prime is 12722304103. The next prime is 12722304131. The reversal of 12722304106 is 60140322721.

It can be written as a sum of positive squares in 2 ways, for example, as 9542359225 + 3179944881 = 97685^2 + 56391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12722304103) 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, 28146465 + ... + 28146916.

Almost surely, 212722304106 is an apocalyptic number.

12722304106 is a deficient number, since it is larger than the sum of its proper divisors (6530032538).

12722304106 is a wasteful number, since it uses less digits than its factorization.

12722304106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56293496.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 12722304106 its reverse (60140322721), we get a palindrome (72862626827).

The spelling of 12722304106 in words is "twelve billion, seven hundred twenty-two million, three hundred four thousand, one hundred six".

Divisors: 1 2 113 226 56293381 112586762 6361152053 12722304106