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9289061728 = 25290283179
BaseRepresentation
bin10001010011010101…
…11101010101100000
3212222101000020011021
420221222331111200
5123010444433403
64133424455224
7446122502422
oct105152752540
925871006137
109289061728
113a37484621
121972a7a514
13b5061b43b
1464197c812
153957798bd
hex229abd560

9289061728 has 12 divisors (see below), whose sum is σ = 18287840340. Its totient is φ = 4644530848.

The previous prime is 9289061711. The next prime is 9289061729. The reversal of 9289061728 is 8271609829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9289061729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145141558 + ... + 145141621.

It is an arithmetic number, because the mean of its divisors is an integer number (1523986695).

Almost surely, 29289061728 is an apocalyptic number.

It is an amenable number.

9289061728 is a deficient number, since it is larger than the sum of its proper divisors (8998778612).

9289061728 is a wasteful number, since it uses less digits than its factorization.

9289061728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290283189 (or 290283181 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 9289061728 is about 96379.7786260168. The cubic root of 9289061728 is about 2102.1189291281.

The spelling of 9289061728 in words is "nine billion, two hundred eighty-nine million, sixty-one thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 16 32 290283179 580566358 1161132716 2322265432 4644530864 9289061728