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89793508261 = 195389169323
BaseRepresentation
bin101001110100000011…
…1000011001110100101
322120202212022211201011
41103220013003032211
52432344114231021
6105130042302221
76326111140552
oct1235007031645
9276685284634
1089793508261
1135099104866
121549b7b7971
138610104212
1444bb709a29
15250818dde1
hex14e81c33a5

89793508261 has 8 divisors (see below), whose sum is σ = 96302869920. Its totient is φ = 83462485392.

The previous prime is 89793508237. The next prime is 89793508267. The reversal of 89793508261 is 16280539798.

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 89793508261 - 233 = 81203573669 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89793508196 and 89793508205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89793508267) 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, 44583655 + ... + 44585668.

It is an arithmetic number, because the mean of its divisors is an integer number (12037858740).

Almost surely, 289793508261 is an apocalyptic number.

It is an amenable number.

89793508261 is a deficient number, since it is larger than the sum of its proper divisors (6509361659).

89793508261 is a wasteful number, since it uses less digits than its factorization.

89793508261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89169395.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 89793508261 in words is "eighty-nine billion, seven hundred ninety-three million, five hundred eight thousand, two hundred sixty-one".

Divisors: 1 19 53 1007 89169323 1694217137 4725974119 89793508261