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1311144204011 = 5373338884519
BaseRepresentation
bin10011000101000110010…
…010001101011011101011
311122100021220010200011212
4103011012102031123223
5132440210404012021
62442155322343335
7163504242564155
oct23050622153353
94570256120155
101311144204011
114660647a3654
1219213765ab4b
1396842b717b5
1447661675ad5
152418c49b85b
hex1314648d6eb

1311144204011 has 8 divisors (see below), whose sum is σ = 1354182541920. Its totient is φ = 1268783635392.

The previous prime is 1311144203953. The next prime is 1311144204031. The reversal of 1311144204011 is 1104024411131.

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 1311144204011 - 234 = 1293964334827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311144204031) 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, 169438391 + ... + 169446128.

It is an arithmetic number, because the mean of its divisors is an integer number (169272817740).

Almost surely, 21311144204011 is an apocalyptic number.

1311144204011 is a deficient number, since it is larger than the sum of its proper divisors (43038337909).

1311144204011 is an equidigital number, since it uses as much as digits as its factorization.

1311144204011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338884645.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 1311144204011 its reverse (1104024411131), we get a palindrome (2415168615142).

The spelling of 1311144204011 in words is "one trillion, three hundred eleven billion, one hundred forty-four million, two hundred four thousand, eleven".

Divisors: 1 53 73 3869 338884519 17960879507 24738569887 1311144204011