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13111212201203 = 371203729438987
BaseRepresentation
bin1011111011001011000100…
…1001010101010011110011
31201102102022220212201002102
42332302301021111103303
53204303230310414303
643515112512011015
72522153026615214
oct276626111252363
951372286781072
1013111212201203
1141a548552a586
12157905a530a6b
137414c735c22c
1433482c1d340b
1517b0bcdca288
hexbecb12554f3

13111212201203 has 8 divisors (see below), whose sum is σ = 13466688426672. Its totient is φ = 12755794877856.

The previous prime is 13111212201193. The next prime is 13111212201209. The reversal of 13111212201203 is 30210221211131.

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 13111212201203 - 24 = 13111212201187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13111212201209) 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, 14274125 + ... + 15164862.

It is an arithmetic number, because the mean of its divisors is an integer number (1683336053334).

Almost surely, 213111212201203 is an apocalyptic number.

13111212201203 is a deficient number, since it is larger than the sum of its proper divisors (355476225469).

13111212201203 is a wasteful number, since it uses less digits than its factorization.

13111212201203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29451061.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 13111212201203 its reverse (30210221211131), we get a palindrome (43321433412334).

The spelling of 13111212201203 in words is "thirteen trillion, one hundred eleven billion, two hundred twelve million, two hundred one thousand, two hundred three".

Divisors: 1 37 12037 445369 29438987 1089242519 354357086519 13111212201203