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12617207720201 = 72609690861727
BaseRepresentation
bin1011011110011010110000…
…1011110010100100001001
31122200012012220021220202002
42313212230023302210021
53123210020134021301
642500133141320345
72441364112042010
oct267465413624411
948605186256662
1012617207720201
114024a22912267
1214b93714060b5
13706a4a39b746
14318967373a77
1516d3087e716b
hexb79ac2f2909

12617207720201 has 8 divisors (see below), whose sum is σ = 14425192880640. Its totient is φ = 10810604288448.

The previous prime is 12617207720197. The next prime is 12617207720251. The reversal of 12617207720201 is 10202770271621.

12617207720201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12617207720201 - 22 = 12617207720197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12617207720251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345412601 + ... + 345449126.

It is an arithmetic number, because the mean of its divisors is an integer number (1803149110080).

Almost surely, 212617207720201 is an apocalyptic number.

It is an amenable number.

12617207720201 is a deficient number, since it is larger than the sum of its proper divisors (1807985160439).

12617207720201 is an equidigital number, since it uses as much as digits as its factorization.

12617207720201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690864343.

The product of its (nonzero) digits is 32928, while the sum is 38.

Adding to 12617207720201 its reverse (10202770271621), we get a palindrome (22819977991822).

The spelling of 12617207720201 in words is "twelve trillion, six hundred seventeen billion, two hundred seven million, seven hundred twenty thousand, two hundred one".

Divisors: 1 7 2609 18263 690861727 4836032089 1802458245743 12617207720201