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298942040205 = 3354215259823
BaseRepresentation
bin1000101100110100101…
…01011000100010001101
31001120121210012002202000
410112122111120202031
514344213130241310
6345155421222513
730412030262424
oct4263225304215
91046553162660
10298942040205
11105864a96466
1249b2b101a39
13222618aa2b3
141067c8282bb
157b9987e4c0
hex459a55888d

298942040205 has 32 divisors (see below), whose sum is σ = 532714974720. Its totient is φ = 159057017280.

The previous prime is 298942040203. The next prime is 298942040231. The reversal of 298942040205 is 502040249892.

It is not a de Polignac number, because 298942040205 - 21 = 298942040203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298942040203) 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 31 ways as a sum of consecutive naturals, for example, 2573077 + ... + 2686746.

It is an arithmetic number, because the mean of its divisors is an integer number (16647342960).

Almost surely, 2298942040205 is an apocalyptic number.

It is an amenable number.

298942040205 is a deficient number, since it is larger than the sum of its proper divisors (233772934515).

298942040205 is a wasteful number, since it uses less digits than its factorization.

298942040205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260258 (or 5260252 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 298942040205 in words is "two hundred ninety-eight billion, nine hundred forty-two million, forty thousand, two hundred five".

Divisors: 1 3 5 9 15 27 45 135 421 1263 2105 3789 6315 11367 18945 56835 5259823 15779469 26299115 47338407 78897345 142015221 236692035 710076105 2214385483 6643156449 11071927415 19929469347 33215782245 59788408041 99647346735 298942040205