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89660289641 = 1324472818531
BaseRepresentation
bin101001110000000101…
…0110111001001101001
322120102120122122010012
41103200022313021221
52432111013232031
6105104523101305
76322602613226
oct1234012671151
9276376578105
1089660289641
113502a99472a
1215463071835
1385bb62c730
1444a7b4c94d
1524eb626b2b
hex14e02b7269

89660289641 has 8 divisors (see below), whose sum is σ = 96596728704. Its totient is φ = 82729492560.

The previous prime is 89660289613. The next prime is 89660289671. The reversal of 89660289641 is 14698206698.

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

It is not a de Polignac number, because 89660289641 - 234 = 72480420457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89660289671) 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 7 ways as a sum of consecutive naturals, for example, 1377455 + ... + 1441076.

It is an arithmetic number, because the mean of its divisors is an integer number (12074591088).

Almost surely, 289660289641 is an apocalyptic number.

It is an amenable number.

89660289641 is a deficient number, since it is larger than the sum of its proper divisors (6936439063).

89660289641 is a wasteful number, since it uses less digits than its factorization.

89660289641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820991.

The product of its (nonzero) digits is 8957952, while the sum is 59.

The spelling of 89660289641 in words is "eighty-nine billion, six hundred sixty million, two hundred eighty-nine thousand, six hundred forty-one".

Divisors: 1 13 2447 31811 2818531 36640903 6896945357 89660289641