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340135380891 = 32314328351703
BaseRepresentation
bin1001111001100011010…
…01100000011110011011
31012111221121201121220200
410330301221200132123
521033044124142031
6420131145353243
733400605014535
oct4746151403633
91174847647820
10340135380891
11121283611a79
1255b06798823
13260c7c61bb7
14126696b0855
158caaed88e6
hex4f31a6079b

340135380891 has 24 divisors (see below), whose sum is σ = 518949590016. Its totient is φ = 214338867120.

The previous prime is 340135380889. The next prime is 340135381009. The reversal of 340135380891 is 198083531043.

340135380891 is a `hidden beast` number, since 34 + 0 + 1 + 3 + 538 + 0 + 89 + 1 = 666.

340135380891 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 340135380891 - 21 = 340135380889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340135380821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14163855 + ... + 14187848.

It is an arithmetic number, because the mean of its divisors is an integer number (21622899584).

Almost surely, 2340135380891 is an apocalyptic number.

340135380891 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

340135380891 is a deficient number, since it is larger than the sum of its proper divisors (178814209125).

340135380891 is a wasteful number, since it uses less digits than its factorization.

340135380891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28351783 (or 28351780 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 340135380891 in words is "three hundred forty billion, one hundred thirty-five million, three hundred eighty thousand, eight hundred ninety-one".

Divisors: 1 3 9 31 43 93 129 279 387 1333 3999 11997 28351703 85055109 255165327 878902793 1219123229 2636708379 3657369687 7910125137 10972109061 37792820099 113378460297 340135380891