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1213232003203 = 1171234576329
BaseRepresentation
bin10001101001111010010…
…000110011100010000011
311021222120020001112000011
4101221322100303202003
5124334144343100303
62325203500205351
7153440006605603
oct21517220634203
94258506045004
101213232003203
1142858a922a30
12177170b39857
138a53aa6a6bc
1442a13a06c03
152185b6b916d
hex11a7a433883

1213232003203 has 24 divisors (see below), whose sum is σ = 1343030073840. Its totient is φ = 1086917529600.

The previous prime is 1213232003201. The next prime is 1213232003299. The reversal of 1213232003203 is 3023002323121.

It is not a de Polignac number, because 1213232003203 - 21 = 1213232003201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213232003201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191690943 + ... + 191697271.

It is an arithmetic number, because the mean of its divisors is an integer number (55959586410).

Almost surely, 21213232003203 is an apocalyptic number.

1213232003203 is a deficient number, since it is larger than the sum of its proper divisors (129798070637).

1213232003203 is an equidigital number, since it uses as much as digits as its factorization.

1213232003203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9939 (or 9868 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1213232003203 its reverse (3023002323121), we get a palindrome (4236234326324).

The spelling of 1213232003203 in words is "one trillion, two hundred thirteen billion, two hundred thirty-two million, three thousand, two hundred three".

Divisors: 1 11 71 781 3457 5041 6329 38027 55451 69619 245447 449359 2699917 4942949 17426737 21879353 31904489 191694107 240672883 350949379 1553434063 17087774693 110293818473 1213232003203