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342445430345 = 5157436236217
BaseRepresentation
bin1001111101110110101…
…01101001011001001001
31012201220121111022000212
410332323111221121021
521102312012232340
6421152310010505
733512055062564
oct4767325513111
91181817438025
10342445430345
11122259577357
1256450346a35
13263a5715275
14128083d74db
158d93be2a65
hex4fbb569649

342445430345 has 8 divisors (see below), whose sum is σ = 413551934664. Its totient is φ = 272211398784.

The previous prime is 342445430321. The next prime is 342445430347. The reversal of 342445430345 is 543034544243.

It can be written as a sum of positive squares in 4 ways, for example, as 46338589696 + 296106840649 = 215264^2 + 544157^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-342445430345 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342445430347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218117324 + ... + 218118893.

It is an arithmetic number, because the mean of its divisors is an integer number (51693991833).

Almost surely, 2342445430345 is an apocalyptic number.

It is an amenable number.

342445430345 is a deficient number, since it is larger than the sum of its proper divisors (71106504319).

342445430345 is a wasteful number, since it uses less digits than its factorization.

342445430345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436236379.

The product of its (nonzero) digits is 1382400, while the sum is 41.

Adding to 342445430345 its reverse (543034544243), we get a palindrome (885479974588).

The spelling of 342445430345 in words is "three hundred forty-two billion, four hundred forty-five million, four hundred thirty thousand, three hundred forty-five".

Divisors: 1 5 157 785 436236217 2181181085 68489086069 342445430345