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89666114849 = 611697866197
BaseRepresentation
bin101001110000010000…
…1000101010100100001
322120102222121120210122
41103200201011110201
52432114011133344
6105105252010025
76323003254313
oct1234041052441
9276388546718
1089666114849
1135033203253
1215465000915
1385bc8bbcbc
1444a88277b3
1524ebdc7aee
hex14e0845521

89666114849 has 8 divisors (see below), whose sum is σ = 91189860648. Its totient is φ = 88144104960.

The previous prime is 89666114821. The next prime is 89666114873. The reversal of 89666114849 is 94841166698.

It can be written as a sum of positive squares in 4 ways, for example, as 31492051600 + 58174063249 = 177460^2 + 241193^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-89666114849 is a prime.

It is a super-2 number, since 2×896661148492 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89666114791 and 89666114800.

It is not an unprimeable number, because it can be changed into a prime (89666174849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329582 + ... + 536615.

It is an arithmetic number, because the mean of its divisors is an integer number (11398732581).

Almost surely, 289666114849 is an apocalyptic number.

It is an amenable number.

89666114849 is a deficient number, since it is larger than the sum of its proper divisors (1523745799).

89666114849 is a wasteful number, since it uses less digits than its factorization.

89666114849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867955.

The product of its digits is 17915904, while the sum is 62.

The spelling of 89666114849 in words is "eighty-nine billion, six hundred sixty-six million, one hundred fourteen thousand, eight hundred forty-nine".

Divisors: 1 61 1697 103517 866197 52838017 1469936309 89666114849