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1089208133 = 13500316747
BaseRepresentation
bin100000011101011…
…1111111101000101
32210220112111122222
41000322333331011
54212314130013
6300025302125
735664054626
oct10072777505
92726474588
101089208133
11509914212
12264934945
13144872870
14a492da4d
1565953508
hex40ebff45

1089208133 has 8 divisors (see below), whose sum is σ = 1173297888. Its totient is φ = 1005161904.

The previous prime is 1089208111. The next prime is 1089208151. The reversal of 1089208133 is 3318029801.

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 1089208133 - 212 = 1089204037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1089208093 and 1089208102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089202133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56666 + ... + 73412.

It is an arithmetic number, because the mean of its divisors is an integer number (146662236).

Almost surely, 21089208133 is an apocalyptic number.

1089208133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1089208133 is a deficient number, since it is larger than the sum of its proper divisors (84089755).

1089208133 is a wasteful number, since it uses less digits than its factorization.

1089208133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21763.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1089208133 is about 33003.1533796393. The cubic root of 1089208133 is about 1028.8931878605.

The spelling of 1089208133 in words is "one billion, eighty-nine million, two hundred eight thousand, one hundred thirty-three".

Divisors: 1 13 5003 16747 65039 217711 83785241 1089208133