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64883234701661 = 1671365412845463
BaseRepresentation
bin11101100000010110011100…
…01010000000000101011101
322111201202222011222220101012
432300023032022000011131
532001021331040423121
6345554540241225005
716444442020145345
oct1660131612000535
9274652864886335
1064883234701661
1119745909539802
12733a980032165
132a28602956c3c
1412045185d5d25
15777b662c3c5b
hex3b02ce28015d

64883234701661 has 8 divisors (see below), whose sum is σ = 65272258041984. Its totient is φ = 64494217325680.

The previous prime is 64883234701643. The next prime is 64883234701667. The reversal of 64883234701661 is 16610743238846.

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

It is a cyclic number.

It is not a de Polignac number, because 64883234701661 - 234 = 64866054832477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64883234701661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64883234701667) 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 7 ways as a sum of consecutive naturals, for example, 21379616 + ... + 24225078.

It is an arithmetic number, because the mean of its divisors is an integer number (8159032255248).

Almost surely, 264883234701661 is an apocalyptic number.

It is an amenable number.

64883234701661 is a deficient number, since it is larger than the sum of its proper divisors (389023340323).

64883234701661 is a wasteful number, since it uses less digits than its factorization.

64883234701661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982171.

The product of its (nonzero) digits is 27869184, while the sum is 59.

The spelling of 64883234701661 in words is "sixty-four trillion, eight hundred eighty-three billion, two hundred thirty-four million, seven hundred one thousand, six hundred sixty-one".

Divisors: 1 167 136541 2845463 22802347 475192321 388522363483 64883234701661