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84688184666741 = 172293038701269
BaseRepresentation
bin10011010000011000000001…
…001010011110101001110101
3102002212010000012102000002112
4103100120001022132221311
542100012400233313431
6500041114232220405
723560343110226315
oct2320300112365165
9362763005360075
1084688184666741
1124a9106a478677
1295b917983a705
1338340a52ac116
1416cad03d2b445
159bce02556c2b
hex4d060129ea75

84688184666741 has 6 divisors (see below), whose sum is σ = 89962881289890. Its totient is φ = 79706526744896.

The previous prime is 84688184666719. The next prime is 84688184666749. The reversal of 84688184666741 is 14766648188648.

It can be written as a sum of positive squares in 3 ways, for example, as 8838455486116 + 75849729180625 = 2972954^2 + 8709175^2 .

It is not a de Polignac number, because 84688184666741 - 26 = 84688184666677 is a prime.

It is a super-2 number, since 2×846881846667412 (a number of 29 digits) contains 22 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 (84688184666749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146519350346 + ... + 146519350923.

It is an arithmetic number, because the mean of its divisors is an integer number (14993813548315).

Almost surely, 284688184666741 is an apocalyptic number.

It is an amenable number.

84688184666741 is a deficient number, since it is larger than the sum of its proper divisors (5274696623149).

84688184666741 is a wasteful number, since it uses less digits than its factorization.

84688184666741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293038701303 (or 293038701286 counting only the distinct ones).

The product of its digits is 2378170368, while the sum is 77.

The spelling of 84688184666741 in words is "eighty-four trillion, six hundred eighty-eight billion, one hundred eighty-four million, six hundred sixty-six thousand, seven hundred forty-one".

Divisors: 1 17 289 293038701269 4981657921573 84688184666741