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17214212203 = 71242453693
BaseRepresentation
bin10000000010000011…
…000000100001101011
31122102200120120210221
4100002003000201223
5240223314242303
611524052150511
71146404250406
oct200203004153
948380516727
1017214212203
117333a79461
123405008437
1318144b55a6
14b94320d3d
156ab3dc4bd
hex4020c086b

17214212203 has 4 divisors (see below), whose sum is σ = 17456665968. Its totient is φ = 16971758440.

The previous prime is 17214212159. The next prime is 17214212227. The reversal of 17214212203 is 30221241271.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30221241271 = 132324710867.

It is a cyclic number.

It is not a de Polignac number, because 17214212203 - 225 = 17180657771 is a prime.

It is a super-2 number, since 2×172142122032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17214212243) 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, 121226776 + ... + 121226917.

It is an arithmetic number, because the mean of its divisors is an integer number (4364166492).

Almost surely, 217214212203 is an apocalyptic number.

17214212203 is a deficient number, since it is larger than the sum of its proper divisors (242453765).

17214212203 is an equidigital number, since it uses as much as digits as its factorization.

17214212203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242453764.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 17214212203 its reverse (30221241271), we get a palindrome (47435453474).

The spelling of 17214212203 in words is "seventeen billion, two hundred fourteen million, two hundred twelve thousand, two hundred three".

Divisors: 1 71 242453693 17214212203