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242008665471 = 3226889851719
BaseRepresentation
bin1110000101100011010…
…1110010110101111111
3212010200000000000000100
43201120311302311333
512431113204243341
6303102141332143
723325125500236
oct3413065626577
9763600000010
10242008665471
11936a9645351
123aaa0267053
1319a8a591091
14b9db361b1d
1564664813b6
hex3858d72d7f

242008665471 has 6 divisors (see below), whose sum is σ = 349568072360. Its totient is φ = 161339110308.

The previous prime is 242008665443. The next prime is 242008665497. The reversal of 242008665471 is 174566800242.

242008665471 is a `hidden beast` number, since 2 + 4 + 20 + 0 + 86 + 6 + 547 + 1 = 666.

It is not a de Polignac number, because 242008665471 - 26 = 242008665407 is a prime.

It is a super-3 number, since 3×2420086654713 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242008665071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13444925851 + ... + 13444925868.

Almost surely, 2242008665471 is an apocalyptic number.

242008665471 is a deficient number, since it is larger than the sum of its proper divisors (107559406889).

242008665471 is a wasteful number, since it uses less digits than its factorization.

242008665471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26889851725 (or 26889851722 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 242008665471 in words is "two hundred forty-two billion, eight million, six hundred sixty-five thousand, four hundred seventy-one".

Divisors: 1 3 9 26889851719 80669555157 242008665471