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1311423040422 = 232116623348689
BaseRepresentation
bin10011000101010110111…
…001111000101110100110
311122101000022211000211100
4103011112321320232212
5132441243244243142
62442243123020530
7163514166630255
oct23052671705646
94571008730740
101311423040422
11466198132570
121921b4b0a746
139688886c661
144768a6da79c
15241a6bc9b4c
hex13156e78ba6

1311423040422 has 24 divisors (see below), whose sum is σ = 3099727186920. Its totient is φ = 397400921280.

The previous prime is 1311423040399. The next prime is 1311423040451. The reversal of 1311423040422 is 2240403241131.

1311423040422 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 4 + 230 + 4 + 0 + 422 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3311674147 + ... + 3311674542.

It is an arithmetic number, because the mean of its divisors is an integer number (129155299455).

Almost surely, 21311423040422 is an apocalyptic number.

1311423040422 is an abundant number, since it is smaller than the sum of its proper divisors (1788304146498).

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

1311423040422 is a wasteful number, since it uses less digits than its factorization.

1311423040422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6623348708 (or 6623348705 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1311423040422 its reverse (2240403241131), we get a palindrome (3551826281553).

The spelling of 1311423040422 in words is "one trillion, three hundred eleven billion, four hundred twenty-three million, forty thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 6623348689 13246697378 19870046067 39740092134 59610138201 72856835579 119220276402 145713671158 218570506737 437141013474 655711520211 1311423040422