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12210117447 = 311370003559
BaseRepresentation
bin10110101111100011…
…11001101101000111
31011111221111020022010
423113301321231013
5200001242224242
65335333105303
7611402200023
oct132761715507
934457436263
1012210117447
1151a6324a60
122449188233
1311c7851c88
1483b8b5383
154b6e2789c
hex2d7c79b47

12210117447 has 8 divisors (see below), whose sum is σ = 17760170880. Its totient is φ = 7400071160.

The previous prime is 12210117431. The next prime is 12210117461. The reversal of 12210117447 is 74471101221.

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 12210117447 - 24 = 12210117431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210117427) 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, 185001747 + ... + 185001812.

It is an arithmetic number, because the mean of its divisors is an integer number (2220021360).

Almost surely, 212210117447 is an apocalyptic number.

12210117447 is a deficient number, since it is larger than the sum of its proper divisors (5550053433).

12210117447 is a wasteful number, since it uses less digits than its factorization.

12210117447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370003573.

The product of its (nonzero) digits is 3136, while the sum is 30.

Adding to 12210117447 its reverse (74471101221), we get a palindrome (86681218668).

It can be divided in two parts, 122101174 and 47, that added together give a palindrome (122101221).

The spelling of 12210117447 in words is "twelve billion, two hundred ten million, one hundred seventeen thousand, four hundred forty-seven".

Divisors: 1 3 11 33 370003559 1110010677 4070039149 12210117447