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1311806014 = 22251129137
BaseRepresentation
bin100111000110000…
…1001001000111110
310101102101122112221
41032030021020332
510141310243024
6334100315554
744336111221
oct11614111076
93342348487
101311806014
11613531302
123073a2bba
1317ba0c89c
14c63155b8
157a2733e4
hex4e30923e

1311806014 has 8 divisors (see below), whose sum is σ = 1967863968. Its totient is φ = 655851360.

The previous prime is 1311806009. The next prime is 1311806017. The reversal of 1311806014 is 4106081131.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1311806014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311806017) 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, 30454 + ... + 59590.

It is an arithmetic number, because the mean of its divisors is an integer number (245982996).

Almost surely, 21311806014 is an apocalyptic number.

1311806014 is a deficient number, since it is larger than the sum of its proper divisors (656057954).

1311806014 is a wasteful number, since it uses less digits than its factorization.

1311806014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51650.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1311806014 is about 36218.8626823096. The cubic root of 1311806014 is about 1094.6867779364.

Adding to 1311806014 its reverse (4106081131), we get a palindrome (5417887145).

The spelling of 1311806014 in words is "one billion, three hundred eleven million, eight hundred six thousand, fourteen".

Divisors: 1 2 22511 29137 45022 58274 655903007 1311806014