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302145124105445 = 5155921387561809
BaseRepresentation
bin100010010110011001010010…
…0110010101111110011100101
31110121210210101012101211210112
41010230302210302233303211
5304100321203232333240
62550335315342302405
7120433156561512305
oct10454624462576345
91417723335354715
10302145124105445
1188300033717735
1229a798ba887a05
13cc79216cc051a
145487c8b27d605
1524de74c32b665
hex112cca4cafce5

302145124105445 has 8 divisors (see below), whose sum is σ = 362576475232920. Its totient is φ = 241714548413440.

The previous prime is 302145124105439. The next prime is 302145124105459. The reversal of 302145124105445 is 544501421541203.

It can be written as a sum of positive squares in 4 ways, for example, as 3100353251524 + 299044770853921 = 1760782^2 + 17292911^2 .

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

It is not a de Polignac number, because 302145124105445 - 26 = 302145124105381 is a prime.

It is a super-2 number, since 2×3021451241054452 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193001300 + ... + 194560509.

It is an arithmetic number, because the mean of its divisors is an integer number (45322059404115).

Almost surely, 2302145124105445 is an apocalyptic number.

It is an amenable number.

302145124105445 is a deficient number, since it is larger than the sum of its proper divisors (60431351127475).

302145124105445 is a wasteful number, since it uses less digits than its factorization.

302145124105445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387717735.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 302145124105445 its reverse (544501421541203), we get a palindrome (846646545646648).

The spelling of 302145124105445 in words is "three hundred two trillion, one hundred forty-five billion, one hundred twenty-four million, one hundred five thousand, four hundred forty-five".

Divisors: 1 5 155921 779605 387561809 1937809045 60429024821089 302145124105445