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28325260833 = 331330165347
BaseRepresentation
bin11010011000010100…
…010010111000100001
32201010000222100010120
4122120110102320201
5431002231321313
621002404350453
72021632513242
oct323024227041
981100870116
1028325260833
1111015964781
1255a60a5429
13289542168c
141529c5acc9
15b0bab4d23
hex698512e21

28325260833 has 8 divisors (see below), whose sum is σ = 37887677088. Its totient is φ = 18823175904.

The previous prime is 28325260823. The next prime is 28325260837. The reversal of 28325260833 is 33806252382.

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

It is not a de Polignac number, because 28325260833 - 212 = 28325256737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28325260837) 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, 15081735 + ... + 15083612.

It is an arithmetic number, because the mean of its divisors is an integer number (4735959636).

Almost surely, 228325260833 is an apocalyptic number.

It is an amenable number.

28325260833 is a deficient number, since it is larger than the sum of its proper divisors (9562416255).

28325260833 is a wasteful number, since it uses less digits than its factorization.

28325260833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30165663.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 28325260833 in words is "twenty-eight billion, three hundred twenty-five million, two hundred sixty thousand, eight hundred thirty-three".

Divisors: 1 3 313 939 30165347 90496041 9441753611 28325260833