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28914089826 = 234819014971
BaseRepresentation
bin11010111011011010…
…011111111101100010
32202122001221221122210
4122323122133331202
5433204001333301
621141041142550
72042342464656
oct327332377542
982561857583
1028914089826
1111298282706
12572b32aa56
13295a4086bb
141584136a66
15b43627ad6
hex6bb69ff62

28914089826 has 8 divisors (see below), whose sum is σ = 57828179664. Its totient is φ = 9638029940.

The previous prime is 28914089807. The next prime is 28914089839. The reversal of 28914089826 is 62898041982.

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

28914089826 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2409507480 + ... + 2409507491.

It is an arithmetic number, because the mean of its divisors is an integer number (7228522458).

Almost surely, 228914089826 is an apocalyptic number.

28914089826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28914089826 is a wasteful number, since it uses less digits than its factorization.

28914089826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4819014976.

The product of its (nonzero) digits is 3981312, while the sum is 57.

The spelling of 28914089826 in words is "twenty-eight billion, nine hundred fourteen million, eighty-nine thousand, eight hundred twenty-six".

Divisors: 1 2 3 6 4819014971 9638029942 14457044913 28914089826