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1311114042 = 232710405667
BaseRepresentation
bin100111000100110…
…0000001100111010
310101101002111100100
41032021200030322
510141121122132
6334033420230
744330166630
oct11611401472
93341074310
101311114042
116130a9427
1230710a676
1317b829934
14c61b5350
157a18837c
hex4e26033a

1311114042 has 24 divisors (see below), whose sum is σ = 3246568416. Its totient is φ = 374603976.

The previous prime is 1311114037. The next prime is 1311114059. The reversal of 1311114042 is 2404111131.

It is a super-2 number, since 2×13111140422 = 3438040062259155528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5202708 + ... + 5202959.

It is an arithmetic number, because the mean of its divisors is an integer number (135273684).

Almost surely, 21311114042 is an apocalyptic number.

1311114042 is an abundant number, since it is smaller than the sum of its proper divisors (1935454374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311114042 is a wasteful number, since it uses less digits than its factorization.

1311114042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10405682 (or 10405679 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1311114042 is about 36209.3087755069. The cubic root of 1311114042 is about 1094.4942632350.

Adding to 1311114042 its reverse (2404111131), we get a palindrome (3715225173).

The spelling of 1311114042 in words is "one billion, three hundred eleven million, one hundred fourteen thousand, forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 10405667 20811334 31217001 62434002 72839669 93651003 145679338 187302006 218519007 437038014 655557021 1311114042