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345145140404 = 22193914449811
BaseRepresentation
bin1010000010111000100…
…00001110010010110100
31012222212202110210000022
411001130100032102310
521123324123443104
6422320230104312
733636006200441
oct5013420162264
91188782423008
10345145140404
11123414485499
1256a844ab098
1326715b29a3c
14129c2b929c8
158ea0c1bbbe
hex505c40e4b4

345145140404 has 12 divisors (see below), whose sum is σ = 604035280128. Its totient is φ = 172563631800.

The previous prime is 345145140371. The next prime is 345145140407. The reversal of 345145140404 is 404041541543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345145140407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2147342 + ... + 2302469.

It is an arithmetic number, because the mean of its divisors is an integer number (50336273344).

Almost surely, 2345145140404 is an apocalyptic number.

It is an amenable number.

345145140404 is a deficient number, since it is larger than the sum of its proper divisors (258890139724).

345145140404 is a wasteful number, since it uses less digits than its factorization.

345145140404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469206 (or 4469204 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 345145140404 its reverse (404041541543), we get a palindrome (749186681947).

The spelling of 345145140404 in words is "three hundred forty-five billion, one hundred forty-five million, one hundred forty thousand, four hundred four".

Divisors: 1 2 4 19391 38782 77564 4449811 8899622 17799244 86286285101 172572570202 345145140404