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13021221102203 = 73206447864013
BaseRepresentation
bin1011110101111011110101…
…0000100010001001111011
31201002211001021202012211202
42331132331100202021323
53201314430100232303
643405511050244415
72512515666113126
oct275367520421173
951084037665752
1013021221102203
1141702a5938996
12156372472670b
13735b85335522
143303325713bd
15178aa270ac88
hexbd7bd42227b

13021221102203 has 8 divisors (see below), whose sum is σ = 13199673208128. Its totient is φ = 12842771137344.

The previous prime is 13021221102179. The next prime is 13021221102257. The reversal of 13021221102203 is 30220112212031.

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 13021221102203 - 26 = 13021221102139 is a prime.

It is a super-3 number, since 3×130212211022033 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13021221102503) 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, 14638625 + ... + 15502637.

It is an arithmetic number, because the mean of its divisors is an integer number (1649959151016).

Almost surely, 213021221102203 is an apocalyptic number.

13021221102203 is a deficient number, since it is larger than the sum of its proper divisors (178452105925).

13021221102203 is an equidigital number, since it uses as much as digits as its factorization.

13021221102203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070533.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13021221102203 its reverse (30220112212031), we get a palindrome (43241333314234).

The spelling of 13021221102203 in words is "thirteen trillion, twenty-one billion, two hundred twenty-one million, one hundred two thousand, two hundred three".

Divisors: 1 73 206447 864013 15070631 63072949 178372891811 13021221102203