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28877086011 = 341234773057
BaseRepresentation
bin11010111001001101…
…010101110100111011
32202112111022221222010
4122321031111310323
5433120013223021
621133240101003
72041413116064
oct327115256473
982474287863
1028877086011
11112793a9144
12571aa64763
132952850857
14157d26356b
15b40268976
hex6b9355d3b

28877086011 has 8 divisors (see below), whose sum is σ = 39441873744. Its totient is φ = 18781844480.

The previous prime is 28877086009. The next prime is 28877086039. The reversal of 28877086011 is 11068077882.

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 28877086011 - 21 = 28877086009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28877088011) 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, 117386406 + ... + 117386651.

It is an arithmetic number, because the mean of its divisors is an integer number (4930234218).

Almost surely, 228877086011 is an apocalyptic number.

28877086011 is a deficient number, since it is larger than the sum of its proper divisors (10564787733).

28877086011 is a wasteful number, since it uses less digits than its factorization.

28877086011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234773101.

The product of its (nonzero) digits is 301056, while the sum is 48.

The spelling of 28877086011 in words is "twenty-eight billion, eight hundred seventy-seven million, eighty-six thousand, eleven".

Divisors: 1 3 41 123 234773057 704319171 9625695337 28877086011