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13220202127 = 111201836557
BaseRepresentation
bin11000100111111110…
…00100011010001111
31021010100010211222211
430103333010122033
5204033332432002
610023454451251
7645415602226
oct142377043217
937110124884
1013220202127
115674506590
12268b503b27
131328bb0412
148d5ac9cbd
1552594bdd7
hex313fc468f

13220202127 has 4 divisors (see below), whose sum is σ = 14422038696. Its totient is φ = 12018365560.

The previous prime is 13220202103. The next prime is 13220202179. The reversal of 13220202127 is 72120202231.

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

It is a cyclic number.

It is not a de Polignac number, because 13220202127 - 231 = 11072718479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13220202098 and 13220202107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220202187) 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, 600918268 + ... + 600918289.

It is an arithmetic number, because the mean of its divisors is an integer number (3605509674).

Almost surely, 213220202127 is an apocalyptic number.

13220202127 is a deficient number, since it is larger than the sum of its proper divisors (1201836569).

13220202127 is a wasteful number, since it uses less digits than its factorization.

13220202127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201836568.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 13220202127 its reverse (72120202231), we get a palindrome (85340404358).

The spelling of 13220202127 in words is "thirteen billion, two hundred twenty million, two hundred two thousand, one hundred twenty-seven".

Divisors: 1 11 1201836557 13220202127