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345165304387 = 677331702731
BaseRepresentation
bin1010000010111010111…
…01001001001001000011
31012222221011102012210111
411001131131021021003
521123344304220022
6422322230212151
733636342451531
oct5013535111103
91188834365714
10345165304387
111234248a7a42
1256a8b1b4057
132671a0699a7
14129c5721151
158ea28a1477
hex505d749243

345165304387 has 8 divisors (see below), whose sum is σ = 350365309632. Its totient is φ = 339966719400.

The previous prime is 345165304369. The next prime is 345165304403. The reversal of 345165304387 is 783403561543.

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

It is a cyclic number.

It is not a de Polignac number, because 345165304387 - 219 = 345164780099 is a prime.

It is a super-2 number, since 2×3451653043872 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345165304387.

It is not an unprimeable number, because it can be changed into a prime (345165304307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139812 + ... + 842542.

It is an arithmetic number, because the mean of its divisors is an integer number (43795663704).

Almost surely, 2345165304387 is an apocalyptic number.

345165304387 is a deficient number, since it is larger than the sum of its proper divisors (5200005245).

345165304387 is an equidigital number, since it uses as much as digits as its factorization.

345165304387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710129.

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 345165304387 in words is "three hundred forty-five billion, one hundred sixty-five million, three hundred four thousand, three hundred eighty-seven".

Divisors: 1 67 7331 491177 702731 47082977 5151720961 345165304387