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1311434054012 = 221987473197269
BaseRepresentation
bin10011000101010111100…
…011111001100101111100
311122101001002112120122002
4103011113203321211330
5132441304104212022
62442244155041432
7163514362350665
oct23052743714574
94571032476562
101311434054012
114661a3375205
121921b8740278
139688ac27684
144768bd6636c
15241a7b53092
hex131578f997c

1311434054012 has 24 divisors (see below), whose sum is σ = 2415839437200. Its totient is φ = 621195353856.

The previous prime is 1311434053967. The next prime is 1311434054023. The reversal of 1311434054012 is 2104504341131.

It is a super-2 number, since 2×13114340540122 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6549314 + ... + 6746582.

It is an arithmetic number, because the mean of its divisors is an integer number (100659976550).

Almost surely, 21311434054012 is an apocalyptic number.

It is an amenable number.

1311434054012 is a deficient number, since it is larger than the sum of its proper divisors (1104405383188).

1311434054012 is a wasteful number, since it uses less digits than its factorization.

1311434054012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284765 (or 284763 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 1311434054012 its reverse (2104504341131), we get a palindrome (3415938395143).

The spelling of 1311434054012 in words is "one trillion, three hundred eleven billion, four hundred thirty-four million, fifty-four thousand, twelve".

Divisors: 1 2 4 19 38 76 87473 174946 197269 349892 394538 789076 1661987 3323974 3748111 6647948 7496222 14992444 17255711237 34511422474 69022844948 327858513503 655717027006 1311434054012