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1311245014 = 21039631013
BaseRepresentation
bin100111000101000…
…0000001011010110
310101101100011000011
41032022000023112
510141134320024
6334040310434
744331253522
oct11612001326
93341304004
101311245014
11613188872
1230717241a
1317b874431
14c620ad82
157a1b2094
hex4e2802d6

1311245014 has 8 divisors (see below), whose sum is σ = 1968763680. Its totient is φ = 654990456.

The previous prime is 1311245011. The next prime is 1311245083. The reversal of 1311245014 is 4105421131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311245011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313429 + ... + 317584.

It is an arithmetic number, because the mean of its divisors is an integer number (246095460).

Almost surely, 21311245014 is an apocalyptic number.

1311245014 is a deficient number, since it is larger than the sum of its proper divisors (657518666).

1311245014 is a wasteful number, since it uses less digits than its factorization.

1311245014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632054.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1311245014 is about 36211.1172708051. The cubic root of 1311245014 is about 1094.5307063729.

Adding to 1311245014 its reverse (4105421131), we get a palindrome (5416666145).

The spelling of 1311245014 in words is "one billion, three hundred eleven million, two hundred forty-five thousand, fourteen".

Divisors: 1 2 1039 2078 631013 1262026 655622507 1311245014