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490088189171 = 72109244137591
BaseRepresentation
bin1110010000110111000…
…10000100110011110011
31201212000002101112220202
413020123202010303303
531012200034023141
61013050550425415
750256561605600
oct7103342046363
91655002345822
10490088189171
111799330082a9
127ab9566226b
13372a47ca259
1419a12a996a7
15cb3589549b
hex721b884cf3

490088189171 has 24 divisors (see below), whose sum is σ = 575583893280. Its totient is φ = 416040105600.

The previous prime is 490088189159. The next prime is 490088189179. The reversal of 490088189171 is 171981880094.

It is not a de Polignac number, because 490088189171 - 230 = 489014447347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490088189179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13018586 + ... + 13056176.

It is an arithmetic number, because the mean of its divisors is an integer number (23982662220).

Almost surely, 2490088189171 is an apocalyptic number.

490088189171 is a deficient number, since it is larger than the sum of its proper divisors (85495704109).

490088189171 is a wasteful number, since it uses less digits than its factorization.

490088189171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40155 (or 40148 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 56.

The spelling of 490088189171 in words is "four hundred ninety billion, eighty-eight million, one hundred eighty-nine thousand, one hundred seventy-one".

Divisors: 1 7 49 109 763 2441 5341 17087 37591 119609 263137 266069 1841959 1862483 4097419 13037381 28681933 91759631 200773531 642317417 4496221919 10001799779 70012598453 490088189171