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345880325887 = 4318164768687
BaseRepresentation
bin1010000100010000001…
…00101110111011111111
31020001202222212001220021
411002020010232323333
521131330330412022
6422521211433011
733663144155365
oct5021004567377
91201688761807
10345880325887
111237614771a8
125704a755767
1326802238435
1412a52689635
158ee553e7c7
hex508812eeff

345880325887 has 16 divisors (see below), whose sum is σ = 356434670592. Its totient is φ = 335445939360.

The previous prime is 345880325873. The next prime is 345880325911. The reversal of 345880325887 is 788523088543.

It is a cyclic number.

It is not a de Polignac number, because 345880325887 - 215 = 345880293119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345880325387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5001258 + ... + 5069944.

It is an arithmetic number, because the mean of its divisors is an integer number (22277166912).

Almost surely, 2345880325887 is an apocalyptic number.

345880325887 is a deficient number, since it is larger than the sum of its proper divisors (10554344705).

345880325887 is a wasteful number, since it uses less digits than its factorization.

345880325887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69558.

The product of its (nonzero) digits is 51609600, while the sum is 61.

The spelling of 345880325887 in words is "three hundred forty-five billion, eight hundred eighty million, three hundred twenty-five thousand, eight hundred eighty-seven".

Divisors: 1 43 181 647 7783 27821 68687 117107 2953541 5035601 12432347 44440489 534590921 1910941027 8043728509 345880325887