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89911003557 = 3291033459811
BaseRepresentation
bin101001110111100011…
…1010000100110100101
322121002001102012221210
41103233013100212211
52433114204103212
6105145440502033
76332035630464
oct1235707204645
9277061365853
1089911003557
1135149465811
121551301a919
13862b56206b
1444cd1729db
15251364c53c
hex14ef1d09a5

89911003557 has 8 divisors (see below), whose sum is σ = 124015177440. Its totient is φ = 57873749360.

The previous prime is 89911003547. The next prime is 89911003561. The reversal of 89911003557 is 75530011998.

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 89911003557 - 26 = 89911003493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89911003517) 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, 516729819 + ... + 516729992.

It is an arithmetic number, because the mean of its divisors is an integer number (15501897180).

Almost surely, 289911003557 is an apocalyptic number.

89911003557 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

89911003557 is a deficient number, since it is larger than the sum of its proper divisors (34104173883).

89911003557 is a wasteful number, since it uses less digits than its factorization.

89911003557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033459843.

The product of its (nonzero) digits is 340200, while the sum is 48.

The spelling of 89911003557 in words is "eighty-nine billion, nine hundred eleven million, three thousand, five hundred fifty-seven".

Divisors: 1 3 29 87 1033459811 3100379433 29970334519 89911003557